Station Name: COAST FORK WILLAMETTE R BLW COTTAGE GROVE DAM, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 738 feet

Nearest Address:
75800 Reservoir Rd
Cottage Grove, OR 97424
Lane County

GPS Coordinates: 43.72067785, -123.0497994

Nearby Water Temperatures

Wind Advisory issued December 23 at 1:57PM PST until December 24 at 4:00PM PST by NWS Portland OR

Effective: Tue December 23, 2025, 1:57 PM
Expires: Wed December 24, 2025, 4:00 PM

* WHAT...South winds 20 to 30 mph with gusts up to 45 to 55 mph expected. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Foothills of the Northern and Central Oregon Cascades, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...From 7 AM to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Saturated soils from recent rains could result in downed trees. Tree branches could be blown down. Isolated to locally widespread power outages are possible. * ADDITIONAL DETAILS...The peak winds will occur for only 1-3 hours at any given location with gusts of 25-40 mph lasting for another 2-3 hours after. Peak winds will begin in Lane county, moving north into SW Washington through the advisory timeframe. There's a 10% chance of peak wind gusts 60-70 mph through the advisory area.

Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects such as garbage cans and other objects that can easily blow around.

Wind Advisory issued December 24 at 4:38AM PST until December 24 at 4:00PM PST by NWS Portland OR

Effective: Wed December 24, 2025, 4:38 AM
Expires: Wed December 24, 2025, 4:00 PM

* WHAT...South winds 10 to 25 mph with gusts up to 35 to 50 mph expected. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Foothills of the Northern and Central Oregon Cascades, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The peak winds will occur for only 1 to 3 hours at any given location with gusts of 20 to 40 mph lasting for another 2 to 3 hours after. Peak winds will begin in Lane county, moving north into Southwest Washington through the advisory time frame. There is a 10 percent chance of peak wind gusts 55 to 70 mph through the advisory area.

Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects such as garbage cans and other objects that can easily blow around.

Winter Weather Advisory issued December 24 at 1:15PM PST until December 27 at 4:00PM PST by NWS Portland OR

Effective: Wed December 24, 2025, 1:15 PM
Expires: Thu December 25, 2025, 7:00 AM

* WHAT...Snow expected above 4000 ft. Total snow accumulations up to 10 inches. Winds gusting as high as 40 mph. * WHERE...Northern and Central Oregon Cascades. * WHEN...From 4 AM Friday to 4 PM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...During periods of heavier snow and stronger winds, visibility may be impacted.

Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com.

High Wind Warning issued December 24 at 8:34AM PST until December 24 at 1:00PM PST by NWS Medford OR

Effective: Wed December 24, 2025, 8:34 AM
Expires: Wed December 24, 2025, 1:00 PM

* WHAT...Southeast winds 35 to 50 mph with gusts up to 75 mph expected. 1 to 4 inches of snow expected above 5000 feet. * WHERE...The southern Oregon Cascades and Siskiyou Mountains, including Siskiyou Summit, Mt Ashland, Crater Lake National Park, Diamond Lake, Hyatt and Howard Prairie lakes, and the passes of Highways 140, 138, 62, 66, and 58. * WHEN...Until 1 PM PST this afternoon. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Additional wind and snow hazards are possible tonight into Christmas Day.

People are urged to secure loose objects that could be blown around or damaged by the wind. Watch for falling debris and tree limbs. Use caution if you must drive. Take time now to prepare for potential power outages.

Wind Advisory issued December 24 at 4:21PM PST until December 25 at 1:00PM PST by NWS Medford OR

Effective: Wed December 24, 2025, 4:21 PM
Expires: Thu December 25, 2025, 1:00 PM

* WHAT...South winds 10 to 20 mph with gusts up to 45 mph expected over areas west of the Cascades. * WHERE...Areas west of the Cascades in Jackson, Josephine and Douglas Counties. * WHEN...From 9 AM to 1 PM PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Secure large or inflatable holiday decorations. Winds this strong will be capable of damaging these items.

Secure light outdoor objects like tents or empty trash bins. Secure large or inflatable holiday decorations. Winds this strong will be capable of damaging these items.

Winter Weather Advisory issued December 24 at 2:25PM PST until December 26 at 10:00PM PST by NWS Medford OR

Effective: Wed December 24, 2025, 2:25 PM
Expires: Wed December 24, 2025, 10:30 PM

* WHAT...Snow expected Elevations above 4500 feet in the Cascades and Siskiyou Mountains. Total snow accumulations 6 to 14 inches. Winds gusting as high as 45 mph over high and exposed terrain. * WHERE...Elevations above 4500 feet in the Cascades and Siskiyou Mountains. Including the locations of...Crescent Lake, Diamond Lake, Howard Prairie. This also includes the following passes or notable locations... Lake of the Woods on 140 at 5070 ft. Diamond Lake Junction on state highways 230 & 138 at 4478 ft. Mt. Ashland ski road and lodge at 6500 ft. Crater Lake National Park at 6100 ft. Willamette Pass on State Highway 58 at 5090 ft. * WHEN...From 10 PM this evening to 10 PM PST Friday. * IMPACTS...Travel may be difficult and delays in your commute. The hazardous conditions could impact the Thursday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Visit weather.gov/mfr/winter for additional snow probabilities

Slow down and use caution while traveling. Call 511 or visit tripcheck.com for road information.