Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Corvallis, Corvallis Municipal Airport (KCVO)

Lat: 44.5° N Lon: 123.28333° W Elev: 246.0 ft.

Clear

84°F

29°C

Humidity 37%
Wind Speed NW 14 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 31 Aug 04:32 PM PDT
Detailed forecast for

Benton County Lowlands

This Afternoon
Mostly sunny. Patchy smoke. Highs in the mid 80s. West wind 5 to 10 mph.
Tonight
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s. West wind 5 to 10 mph, becoming light after midnight.
Tuesday
Mostly cloudy. A slight chance of rain in the afternoon. Highs in the lower 70s. Southwest wind 5 to 10 mph. Chance of rain 20 percent.
Tuesday Night
Partly cloudy in the evening, then mostly cloudy with rain after midnight. Lows in the lower 50s. Southwest wind 5 to 10 mph, becoming south after midnight. Chance of rain 80 percent.
Wednesday
Rain. Highs in the mid 60s. South wind 10 to 15 mph. Chance of rain near 100 percent.
Wednesday Night
Rain. Lows in the lower 50s. Chance of rain near 100 percent.
Thursday
Rain with a chance of thunderstorms. Highs in the mid 60s. Chance of rain near 100 percent.
Thursday Night
Mostly cloudy with showers likely with a slight chance of thunderstorms. Lows around 50. Chance of rain 70 percent.
Friday
Rain likely. Highs around 70. Chance of rain 70 percent.
Friday Night
Mostly cloudy in the evening, then becoming partly cloudy. A 40 percent chance of rain. Lows in the upper 40s.
Saturday
Mostly sunny with a 20 percent chance of rain. Highs in the lower 70s.
Saturday Night
Partly cloudy with a 20 percent chance of rain. Lows in the lower 50s.
Sunday
Mostly sunny with a 20 percent chance of rain. Highs in the mid 70s.



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202 PM PDT Mon Aug 31 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database