National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

FW0649 Dufur (F0649)

Lat: 45.44717°NLon: 121.14783°WElev: 1368.0ft.

NA

28°F

-2°C

Humidity 89%
Wind Speed NA 2 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Last update 21 Jan 04:15 PM PST
Extended Forecast for

Grass Valley OR

  • Tonight

    Tonight: Patchy frost. Otherwise, cloudy, with a low around 23. East wind 3 to 7 mph.

    Low: 23 °F

    Patchy Frost

  • Thursday

    Thursday: Patchy frost. Otherwise, cloudy, with a high near 31. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 31 °F

    Patchy Frost

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 22. East wind 3 to 5 mph.

    Low: 22 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 33. Northeast wind 5 to 9 mph.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18. East wind around 6 mph becoming south after midnight.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy frost. Otherwise, cloudy, with a low around 23. East wind 3 to 7 mph.
Thursday
Patchy frost. Otherwise, cloudy, with a high near 31. Light and variable wind becoming east around 5 mph in the afternoon.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 22. East wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 33. Northeast wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 18. East wind around 6 mph becoming south after midnight.
Saturday
Sunny, with a high near 35.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A slight chance of rain and snow. Mostly cloudy, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley OR
 45.35°N 120.79°W (Elev. 2300 ft)
Last Update:
3:20 pm PST Jan 21, 2026
Forecast Valid:
4pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
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Additional Resources

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