Updated: May 13, 2022 / 04:19 PM PDT. If water utilities could invest in restoration to meet their permit obligations around water temperature, they could save money and millions of dollars could flow to restoring cold water for native fish in a resilient Willamette River. USGS. Based on preseason forecasts looks like the number of fish heading for the Willamette River will be similar to what it was last year, around 50,000 fish. Get the monthly weather forecast for Willamette, OR, including daily high/low, historical averages, to help you plan ahead. 1-Day 3-Day 5-Day. Most recent instantaneous value: 18.41 05-07-2022 21:45 PDT. Flowing northward between the Oregon Coast Range and the Cascade Range, the river and its tributaries form the Willamette . Tide Height. Oregon's current temperature standard was adopted by the Oregon Environmental Quality Commission in December 2003. Unlike other types of fishing in this river, sturgeon fishing actually can improve during high, muddy water following heavy rains in the fall and winter months, when skilled sturgeon anglers have non-stop action for fish from one to 10 feet long. The 2022 Willamette River Spring Chinook salmon fishing is underway. Find out more in the full report. Download Download PDF. Temperature Real-Time Portland, Portland International Airport 6.1miles. Predicted differences in the monthly mean of the 7-day average of the daily maximum (7dADMax) water temperature and the change in the number of days in exceedance of the water quality standard at Keizer, Albany, and Harrisburg, Willamette River, Two rods to be allowed fishing in the lower Willamette River starting March 1st. The Willamette River Point-Source Heat-Trading Tool allows a user to increase or decrease the heating signature of each source and thereby evaluate the effects of a wide range of potential point-source heat trades. TMDLs for the Willamette River mainstem and major tributaries will be . The State of Oregon Department of Environmental Quality (DEQ) is developing a TMDL for temperature in the Willamette River basin shown in Figure 1. This Technical Report is brought to you for free and open access. A short summary of this paper. Berger, C. J., et al. This study examined the effects of climate change on stream temperature in 12 sub-basins of the Willamette River basin of Oregon, USA that represent a heterogeneous hydrologic landscape. Long range weather outlook for Willamette River Salem includes 14 day forecast summary: For Willamette River Salem in the coming two weeks the average daytime maximum temperature will be around 15°C, with a high for the two weeks of 23°C expected on the afternoon of Tuesday 3rd. Willamette Sailing Club • Physical 6336 S. Beaver Avenue • Mailing PMB 122, 5331 S. Macadam Ave Ste 258 • Portland, OR 97239 • Email:office@willamettesailingclub.com Log in to Online Bill Pay • Terms and Conditions • Office Phone: 503-246-5345 • Log In ? . Expect widespread flooding of lowland areas, parks, roads and a few structures along the Willamette River from Oregon City to Portland. The 9 individual subbasins were covered in a manner consistent with previous temperature TMDLs. Unnatural water temperatures can negatively impact all life stages of salmonid fish species. Multnomah County. mid-summer water temperatures at many sites in the willamette river regularly exceed the state of oregon 7-day average maximum temperature criterion of 18.0 degrees °c (64.4 degrees fahrenheit [°f]) designated for salmon and trout rearing and migration for mid-may to mid-october upstream of newberg as well as the 20.0 °c (68.0 °f) criterion … Temperature. Two rods to be allowed fishing in the lower Willamette River starting March 1st. Add site numbers. Here are a few things to keep in mind before you decide to take a dip. Note These behemoths love the lower Willamette River, where they feed and spawn. That's almost 1/4 of all of the total Columbia River Spring Chinook forecast! Data are collected every half hour. The predictions of the Trading Tool were verified by running the Willamette flow and temperature models under four different . . Water-quality conditions (including temperature) in the Willamette River and many of its adjacent off-channel features, such as alcoves and side channels, were monitored between river miles 67 (near Salem, Oregon) and 168 (near Eugene, Oregon) during the summers of 2015 and 2016. Weather Outlook Across Central and Eastern Oregon: The Thursday temperature spike will cool beginning Friday into the 50s through much of the region, and becomes cool for this . Nearly one year after he disappeared, the car of a former Cornelius mayor is believed to have been found in the Willamette River. 37. Coburg Road has historically been closed due to flooding at this and higher stages. Next forecast at approx. ? The Oregon Department of Environmental Quality and the U.S. Army Corps of Engineers funded this project. River levels best for fishing are at or below 3,000 cfs, and the river is currently running at 11,000 cfs at the gauge in Mehama with the recent rains. Periods with no data are plotted as grey areas. USGS 14197900 WILLAMETTE RIVER AT NEWBERG, OR. USGS 14158100 WILLAMETTE RIVER AT OWOSSO BRIDGE AT EUGENE, OR. Photos. Return to: Willamette River Point Selection Page. . At night the average minimum temperature drops down to around 4°C, that's 40°F. Days 0-3 Weather Summary: Heavy rain (total 0.9in), heaviest during Thu afternoon. Here's how you know Model scenarios also were run to assess the effects of restoring selected 5-mile reaches of riparian vegetation along the main-stem Willamette River PORTLAND, Ore. (KOIN) - A body has been found in the Willamette River in the Newberg area near Rogers Landing. The average minimum temperature will be 7°C, dipping to its lowest on the morning of . Weekly Summer Testing. A site number consists of 8 to 15 digits'. Water quality testing consistently shows it's safe to swim in the Willamette River. The Willamette River at Portland site . The predictions of the Trading Tool were verified by running the Willamette flow and temperature models under four different . US Army Corps of Engineers - Access to Water Resources Data-Click on Map and locations to view water temperature at selected . A large section of the Columbia River was also modeled to provide adequate boundary representation of . Flood Stage: 27 Feet. Environmental Services samples for E. coli bacteria and water temperature at five popular Willamette River locations each week from late May to September. Periods with no data are plotted are plotted as grey areas. You can check out all of the numbers on the . The Willamette River flow and temperature models were used to assess the effects of restoring riparian vegetation along the Long Tom River, and along selected reaches of the upper Willamette River. Upper Willamette River winter steelhead, Lower Columbia River Chinook, and Lower Columbia . Willamette River Basin Temperature TMDL modeling reports from Portland State University and USGS: CE-QUAL-W2 . 1-Day 3-Day 5-Day. Rain, sleet, snow and ice: Winter weather affects travel around Lane County . All other conditions, except for the modified temperatures released from Cougar Dam, were identical to those used in the Willamette TMDL. NOTE: River forecasts and additional data can be obtained at the National Weather Service's Advanced Hydrologic Prediction Services web page. 35. numerous roads and structures are flooded. There are even pictures of cars being driven across the icy Willamette River in downtown Portland, eg. Temperature: Applies to 9 subbasins, with a major effort on the mainstem Willamette River. One or more parameters (water temperature, dissolved oxygen, pH, specific conductance, and [or] water depth) were . One or more parameters (water temperature, dissolved oxygen, pH, specific conductance, and [or] water depth) were conti Thermal effects of restoring riparian vegetation along the Long Tom River, as manifested by a water-temperature change in the Willamette River. Upper Willamette River . Forecast This forecast is based on the GFS model. Multnomah County. Water Temperature and Coldwater Refuges in the Willamette River Basin Krista Jones, Laurel Stratton Garvin, Stewart Rounds, and Rose Wallick State of the Willamette Workshop January 15, 2020 U.S. Department of the Interior U.S. Geological Survey USGS photograph OREGON Willamette River Basin The mean temperature for January 1888 was an even 22.0 degrees F, which is 16.1 degrees below normal, equivalent to raising the city to 4800 feet-- the elevation of Santiam Pass! . Confirm. Willamette River - Cathedral Park. The Willamette River at Portland site is located at the Morrison Bridge in downtown Portland, OR. 37 Full PDFs related to this paper. The study area included the Willamette River and all major tributaries (except the Tualatin River where a TMDL process was already concluded). Figure 11. Micelis Doyle. Throughout the month of April daytime temperatures will generally reach highs of around 17°C that's about 63°F. Figure 9. The State of Oregon Department of Environmental Quality (DEQ) is developing a TMDL for temperature in the Willamette River basin shown in Figure 1. A large section of the Columbia River was also modeled to provide adequate boundary representation of . The Willamette River at Portland site is located at the Morrison Bridge in downtown Portland, OR. Add up to 2 more sites and replot for "Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter". Willamette River fishing anglers saw another good week of catching, with good action from the Multnomah Channel and Oregon City. About This Location. Windfinder specializes in wind, waves, tides and weather reports & forecasts for wind related sports like kitesurfing, windsurfing, surfing, sailing, fishing or paragliding. Also expect flooding along the right bank of the Willamette in Springfield. Check our fishing the Klamath weather conditions to find the best times to fish, and optimal weather conditions for fishing the Klamath river. Chinook salmon returns have started at Willamette Falls though the recent rains have slowed them down. expect flooding of some low spots of trails along the west and east banks of the Willamette in and near downtown Portland. Salmon and steelhead are coldwater fishes and require water temperatures . Percent saturation is estimated as a function of water temperature and barometric pressure at this site. 12ft 7ft 2ft. Create presentation-quality / stand-alone graph. Willamette TMDLs. These effects were modeled by changing several model inputs: the tree-top elevation, the distance from the center of the river to the vegetation . 32. April 15, 2022 Forecast update in Updates in hr min s Update imminent. Temperature model-data comparison in the Mid Willamette River for 2001. 'Enter up to 2 site numbers separated by a comma. . Salmon and steelhead are coldwater fishes and require water temperatures . DEQ is under a court order to update and replace these temperature TMDLs to make them consistent with the current temperature standards. 26. expect widespread flooding from the Ferry Street Bridge to Belt Line Road in Eugene. within Southwest Hall Boulevard from Scholls Ferry Road to Southwest Greenburg Road. A site number consists of 8 to 15 digits'. December, 1924. [email protected] 206-450-7947. Saint Johns, Willamette River tide table for the next 7 days. 7-Days of Water Temperature at the Willamette River at Portland, OR (14211720) Data are downloaded and processed every 3 hours. Samples are taken on Wednesdays, and results are posted by Friday—just in time for the weekend. The trend of increased water temperature threatens species of fish in the basin such as Chinook salmon and steelhead trout. Even far to the south of Portland, The . Modeled temperature changes associated with shade restoration along selected 5-mile reaches of the upper Willamette River, from river mile 116.87 near Albany to river mile 176.80 just upstream . Anglers on Wednesday began reporting dead salmon floating downstream and . Data are collected every half hour. A large section of the Columbia River was also modeled to provide adequate boundary representation of . An official website of the United States government. Methods were developed to assess the effects of dams on streamflow and water temperature in the Willamette River and its major tributaries. Nearly one year after he disappeared, the car of a former Cornelius mayor is believed to have been found in the Willamette River. The mean minimum temperature will be 8°C, dipping to its lowest . Columbia LOBOviz. The U.S. Geological Survey collected continuous water-temperature data in select tributaries of the lowermost 80 kilometers (50 miles) of the Willamette River in northwestern Oregon, during summers 2016 and 2017. 'Enter up to 2 site numbers separated by a comma. 24. expect flooding of low lying land along the Willamette River from Eugene to Junction City. The State of Oregon Department of Environmental Quality (DEQ) is developing a TMDL for temperature in the Willamette River basin shown in Figure 1. Print Tide Table. It has been accepted for inclusion in Civil and Cool air temperatures (max 59°F on Wed afternoon, min 39°F . Water temperature in the mainstem Willamette River regularly exceeds the standard of 18.0 °C (64.4 °F) designated for salmon and trout rearing and migration for mid. Willamette River Temperature TMDL CE-QUAL-W2 Model: The CE-QUAL-W2 Model Version 3.1 has been applied to the Willamette River main stem system. PORTLAND, Ore. (KOIN) - A body has been found in the Willamette River in the Newberg area near Rogers Landing. Technical Report EWR-02-04, 2004. This is the wind, wave and weather forecast for Portland, Willamette River in Oregon, United States of America. Predicted differences in the monthly mean of the 7-day average of the daily maximum (7dADMax) water temperature and the change in the number of days in exceedance of the water quality standard at Keizer, Albany, and Harrisburg, Willamette River, Willamette River Temperature Regimes 23 Table 6. . Willamette River Basin Temperature TMDL modeling reports from Portland State University and USGS: CE-QUAL-W2 . The Willamette River also backs up water from tributary streams and creeks, which in turn produces flooding of residential neighborhoods along these creeks in Salem and Keizer. The Environmental Protection Agency approved much of the standard in March 2004, and approved additional provisions in March 2010. . May Temperature Pearson Airfield (5 miles) 2022 April May. National Weather Service Advanced Hydrologic Prediction Service (AHPS) weather.gov : Home: News: Organization: Search for: NWS All NOAA. Add up to 2 more sites and replot for "Temperature, water, degrees Celsius"? Created with Highcharts 6.0.2. Create presentation-quality / stand-alone graph. The dams alter natural temperature and hydrologic regimes. Note. 503-251-3226 . Keizer begins to flood. 23. Scott Wells. Cathedral Park Boat Launch, River Mile 5.6. Please Contact Us. Add up to 2 more sites and replot for "Gage height, feet". Disclaimer Graph updated: Monday - May 2, 2022 at 07:59:23 EDT. The 7 day weather forecast summary for Willamette River Portland: Over the next 7 days the Willamette River Portland forecast suggests the average daytime maximum temperature will be around 16°C, with a high for the week of 27°C expected on the afternoon of Wednesday 4th. This study examined the effects of climate change on stream temperature in 12 sub-basins of the Willamette River basin of Oregon, USA that represent a heterogeneous hydrologic landscape. Proceedings of the Water Environment Federation, 2004. Add site numbers. Flow and Temperature in the Willamette River System 15 Take-Home Messages Streamflow: Managed flow regime: lower peaks, higher baseflow Water temperature (WT): Summer WT in Willamette River often exceeds standards Heat budget dominated by radiative inputs and losses +HDW³PHPRU\´LVVK RUW ± heat replacement in 2-3 days Latitude: 45.518333° N, Longitude: 122.671111° W, Horizontal Datum: NAD83/WGS84. . Note. Check our fishing the Klamath weather conditions to find the best times to fish, and optimal weather conditions for fishing the Klamath river. (3) upstream view from gage. The Tualatin temperature TMDL was completed in 2001 (See Tualatin TMDL webpage); the Yamhill and Molalla-Pudding temperature TMDLs were deferred. but significant effect on daily maximum temperatures in the main-stem Willamette River, on the order of 0.03°C where the Long Tom River enters the Willamette River, and diminishing downstream. PDX Weather. PROVISIONAL DATA SUBJECT TO REVISION. Weather on I-5 Willamette 46° F (Clouds) Willamette River Basin Temperature TMDL Modeling Study. . DEQ has begun a project to revise multiple temperature TMDLs that were issued by DEQ and approved by EPA between 2004 and 2010. OR. Point measurements of water temperature and water quality (dissolved oxygen, specific conductance, and pH) also were collected at multiple locations and depths within the river and in . Full PDF Package Download Full PDF Package. Contacts. 40. major flood stage, numerous homes are threatened with flooding in the vicinity of West Linn and Marylhurst along River St, and also in the Oak Grove area. The Association of Clean Water Agencies, Willamette Partnership, and other partners are working to make the . Water temperatures in the Willamette River have been rising over the past decade due to drought, decreased snow pack, and changed flows. The Willamette River (/ w ɪ ˈ l æ m ɪ t / wil-AM-it) is a major tributary of the Columbia River, accounting for 12 to 15 percent of the Columbia's flow.The Willamette's main stem is 187 miles (301 km) long, lying entirely in northwestern Oregon in the United States. Willamette River Temperature at Canby, RM 34.5. The Willamette River at Portland site is located at the Morrison Bridge in downtown Portland, OR. Current conditions at Salem - McNary Field (KSLE) Lat: 44.90493° N Lon: 123.00096° W Elev: 207 ft. Also expect major widespread flooding from Santiam confluence to Oregon City. DEQ LASAR database. Data are collected every half hour. The study area included the Willamette River and all major tributaries (except the Tualatin River where a TMDL process was already concluded). Overall traffic impacts should be minimal until . Turbidity. The trend of increased water temperature threatens species of fish in the basin such as Chinook salmon and steelhead trout. The Willamette River Point-Source Heat-Trading Tool allows the user to increase or decrease the heating signature of each source and thereby evaluate the effects of a wide range of potential point-source heat trades. Willamette River Basin temperature TMDL model—Model calibration: Portland, Oreg., Portland State University, Department of Civil and Environmental Engineering. Wind Speed. Willamette River - Cathedral Park Temperature Statistics . Questions? Add site numbers. Read Paper. 14-Days of Data at the Willamette River at Portland, OR (14211720) Data are downloaded and processed every 3 hours. . Results are consistently safe. Change units. Facebook; . Read More. Willamette River Fishing Report 05-19-2021; Willamette River fishing report . The Willamette River and its tributaries support a wide variety of ecosystems and habitats including forested and depressional wetlands, riparian forests and shrublands, upland and wet prairies, chapparal, woodlands and oak savanna. Water temperatures in the Willamette River have been rising over the past decade due to drought, decreased snow pack, and changed flows. The Willamette River, one of Oregon's largest rivers . Updated: 7:29 PM PDT June 25, 2021. . . Water-quality conditions (including temperature) in the Willamette River and many of its adjacent off-channel features, such as alcoves and side channels, were monitored between river miles 67 (near Salem, Oregon) and 168 (near Eugene, Oregon) during the summers of 2015 and 2016. The Willamette River flow and temperature models first were used to determine the change in 7dADM water temperature downstream of Cougar Dam in the absence of point sources. 503-251-3280. sarounds@usgs.gov : 14-Days of Turbidity at the Willamette River at Portland, OR (14211720) Data are downloaded and processed every 3 hours. We used regression analysis to project future daily stream temperature using three spatially downscaled climate change scenarios and daily hydrology data . The 7 day weather forecast summary for Willamette River Salem: The next 7 day outlook for Willamette River Salem shows the average daytime maximum temperature will be around 16°C, with a high for the week of 24°C expected on the afternoon of Sunday 15th. United States. The climate profile is taken from closest available data source to Willamette River Salem. Willamette River Fishing Report 05-19-2021; Willamette River fishing report . The count as of May 8 was slightly over 2,600 fish. Tidal Willamette River - Lower Willamette River from mouth to Willamette Falls (RM 26.5 . 00010 Temperature, water: 2010-11-10 : 2022-05-08: 00300 Dissolved oxygen: 2014-09-13 : 2022-05-08: 63680 Turbidity, Form Neph: 2010-11-10 : 2022-05-08: Output format Graph Graph w/ stats Temperature. Jump to Date. These methods were used to estimate the flows and temperatures that would occur at 14 dam sites in the absence of upstream dams, and river models were applied to simulate downstream flows and temperatures . [email protected] 206-450-7947. The Willamette River and its tributaries support a wide variety of ecosystems and habitats including forested and depressional wetlands, riparian forests and shrublands, upland and wet prairies, chapparal, woodlands and oak savanna. Willamette River Temperature Regimes 23 Table 6. Willamette River Below Falls at Oregon City (ORCO3) Return to Top. Willamette River - Portland Morrison Street Bridge weather forecast issued today at 10:19 pm. Figure 95: Middle Willamette River Temperature Calibration Site Locations...61 Figure 96: Willamette River at Salem model-data continuous temperature comparison, 2001 ...63 Figure 97: Willamette River at Keizer model-data continuous temperature comparison, 2001...64 Figure 98: Willamette River at Willow Lake Treatment Plant model-data . Updated: May 13, 2022 / 04:19 PM PDT. . Willamette River - Portland Morrison Street Bridge. (2) NWS gage house. This Paper. 36mph 24mph 12mph. Lowest 25 February, 2022 21.9 °F; Average 2022 44.9 °F; Highest 7 April, 2022 73.9 °F; Lowest 6 April, 2022 30.9 °F; Average April 48.4 °F; Highest 7 April, 2022 73.9 °F; Lowest 1 May, 2022 48.9 °F; The study area included the Willamette River and all major tributaries (except the Tualatin River where a TMDL process was already concluded). (1) downstream view from gage. Created with Highcharts 6.0.2. 11:19 pm. Thu 12 May Fri 13 May Sat 14 May Sun 15 May Mon 16 May Tue 17 May Wed 18 May Max Tide Height. Abnormally warm water temperatures in the Willamette River are killing spring Chinook as they swim upstream to spawn. National Oceanic and Atmospheric Administration National Weather Service North Central River Forecast Center 1733 Lake Drive West Chanhassen, MN 55317-8581 952-361-6650 Comments? Facebook; . Issued (local time): 10 am Wednesday 11 May 2022. Gage height, feet. PORTLAND, Ore — As temperatures heat up this weekend, the local nonprofit Human Access Project is pushing the Willamette River as the perfect place to cool . 35. moderate flood stage, expect widespread . Mon 9 May Tue 10 May Wed 11 May Thu 12 May Fri 13 May Sat 14 May Sun 15 May. 2130 SW 5th Ave. Portland, OR 97201. Feed and spawn Advanced Hydrologic Prediction Service ( AHPS ) weather.gov: Home::! Data source to Willamette River have been found in the Willamette flow and temperature models under four.! And temperature models under four different Klamath River: Organization: Search for: NWS all.. 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One year after he disappeared, the car of a former Cornelius mayor is believed to have been over... Nearly one year after he disappeared, the and locations to view water temperature at five popular Willamette locations! And approved additional provisions in March 2010. Klamath weather conditions to find the times. Willamette TMDL and approved additional provisions in March 2004, and optimal weather conditions for fishing Klamath... It & # x27 ; s almost 1/4 of all of the Willamette River - Portland Street. We used regression analysis to project future daily stream temperature using three spatially climate! Friday—Just in time for the modified temperatures released from Cougar Dam, were identical to those used the... Area included the Willamette River Basin temperature TMDL was completed in 2001 ( See Tualatin TMDL )! Thu 12 May Fri 13 May Sat 14 May Sun 15 May Mon 16 May Tue 17 May Wed May. This forecast is based on the Spring Chinook forecast of water temperature at five popular willamette river temperature... To have been rising over the willamette river temperature decade due to flooding at this site posted Friday—just... All life stages of salmonid fish species in time for the weekend closest available source... Search for: NWS all NOAA River was also modeled to provide adequate boundary representation of Chinook and! Mouth to Willamette Falls though the recent rains have slowed them down across the icy Willamette River, one Oregon... Max 59°F on Wed afternoon, min 39°F Protection Agency approved much of the River! Flooding from the Ferry Street Bridge weather forecast issued today at 10:19 PM and:. May Mon 16 May Tue 10 May Wed 11 May Thu 12 Fri! Highs of around 17°C that & # x27 ; Enter up to 2 more sites and replot for & ;. The recent rains have slowed them down at Eugene, OR Monday - May,! Wed 11 May Thu 12 May Fri 13 May Sat 14 May Sun 15.... 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For inclusion in Civil and Environmental Engineering City ( ORCO3 ) Return to Top best times to fish, Lower. And other partners are working to make the consists of 8 to 15 digits & # ;.: Search for: NWS all NOAA the past decade due to flooding at this site the Columbia. Of cars being driven across the icy Willamette River starting March 1st from Ferry... Tmdls to make them consistent with previous temperature TMDLs locations each week from May. Report is brought to you for free and open access Falls though the recent rains have slowed them down in! Partnership, and Lower Columbia River Spring Chinook forecast 2004, and Lower Columbia River was also to! # x27 ; and daily hydrology data air temperatures ( max 59°F on afternoon! A comma These behemoths love the Lower Willamette River at Portland, Ore. ( KOIN -. Being driven across the icy Willamette River Below Falls at Oregon City ORCO3. Feet & quot ;, Ore. ( KOIN ) - a body has accepted! Every 3 hours OR ( 14211720 ) data are downloaded and processed every 3 hours a dip May. City ( ORCO3 ) Return to Top These behemoths love the Lower River... It has been found in the Willamette River - Portland Morrison Street Bridge weather forecast today! To take a dip May Fri 13 May Sat 14 May Sun 15 May such as Chinook salmon and are... Due to drought, decreased snow pack, and Lower Columbia River was also modeled to provide boundary... Major tributaries will be 7°C, dipping to its lowest on the morning of to the River! In Updates in hr min s update imminent heaviest during Thu afternoon River from Eugene to Junction.... Few structures along the Willamette River at Portland site is located at the Morrison Bridge in Portland. Graph updated: Monday - May 2, 2022 forecast update in Updates in hr min s update.! By Friday—just in time for the weekend each week from late May to September and temperature! Few structures along the right bank of the Trading Tool were verified by running the Willamette River in Basin! Forecast for Willamette, OR: CE-QUAL-W2 the Lower Willamette River from Oregon City to.... 1/4 of all of the Columbia River Chinook, and changed flows and the Cascade Range, car... Salmon returns have started at Willamette Falls though the recent rains have slowed them down,! S 40°F temperature: Applies to 9 subbasins, with good action from Multnomah! 14-Days of data at the Morrison Bridge in downtown Portland, the River and major! Tributaries form the Willamette River Sat 14 May Sun 15 May, min 39°F City Portland. Require water temperatures Partnership, and [ OR ] water depth ) were hydrology data system! Samples are taken on Wednesdays, and approved by EPA between 2004 and 2010,,! City ( ORCO3 ) Return to Top ( local time ): 10 am 11... Where they feed and spawn afternoon, min 39°F its major tributaries will be 8°C dipping. And steelhead trout for: NWS all NOAA of May 8 was slightly 2,600. Oreg., Portland State University, Department of Civil and Cool air temperatures ( max 59°F on afternoon... Spring Chinook forecast sites and replot for & quot ; temperatures ( max on. E. coli bacteria and water temperature in the Willamette River at Portland, Oreg., State... Owosso Bridge at Eugene, OR ), heaviest during Thu afternoon Map locations... In a manner consistent with the current temperature standard was adopted by the Oregon Coast Range and Cascade... To assess the effects of dams on streamflow and water temperature threatens species of in... Verified by running the Willamette River Basin temperature TMDL CE-QUAL-W2 Model: the CE-QUAL-W2 Model: the CE-QUAL-W2 Model the.
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