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

Winter Storm Warning issued April 13 at 10:36AM PDT until April 16 at 5:00AM PDT by NWS Portland OR

Effective: Mon April 13, 2026, 10:36 AM
Expires: Tue April 14, 2026, 5:00 AM

* WHAT...Heavy snow above 2500 ft. Total snow accumulations between 12 to 20 inches. Winds could gust as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From 5 PM Tuesday to 5 AM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Latest guidance suggests the heaviest snow accumulations are forecast over the Cascades from Marion to Lane Counties.

Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. If you are using a generator, be sure to keep it outdoors and away from windows and vents. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised.

Winter Weather Advisory issued April 13 at 6:31PM PDT until April 16 at 5:00AM PDT by NWS Medford OR

Effective: Mon April 13, 2026, 6:31 PM
Expires: Tue April 14, 2026, 5:15 AM

* WHAT...Total snow accumulations 4 to 12 inches. Winds gusting as high as 45 mph over high and exposed terrain. * WHERE...Above 4000 ft in the high south central Cascades in Klamath, Jackson and Douglas Counties. Including the locations of...Crescent Lake, Diamond Lake. This also includes the following passes or notable locations... Diamond Lake Junction on state highways 230 & 138 at 4478 ft. Willamette Pass on state highway 58 at 5090 ft. * WHEN...From 11 PM Tuesday to 5 AM PDT Thursday. * IMPACTS...Travel may be difficult and there may be delays in your commute. The hazardous conditions could impact the Wednesday 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.