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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Buffalo (K2WX)

Lat: 45.6°NLon: 103.55°WElev: 3002ft.

31°F

-1°C

Humidity 69%
Wind Speed NW 12 mph
Barometer 29.96 in (1019.1 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 7 Dec 3:56 pm MST
Extended Forecast for

Buffalo SD

High Wind Watch December 9, 08:00am until December 9, 11:00pm
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Increasing clouds, with a low around 19. Wind chill values as low as 10. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 42. Wind chill values as low as 18. Breezy, with a west wind 16 to 25 mph, with gusts as high as 39 mph.

    High: 42 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a temperature falling to near 32 by 8pm, then rising to around 37 during the remainder of the night. Southwest wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 32 °F⇑

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 49. Very windy, with a northwest wind 28 to 33 mph increasing to 36 to 41 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 49 °F

    Slight Chance
    Rain and Very
    Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. Blustery, with a northwest wind 23 to 28 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 40 mph.

    Low: 22 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 35. West wind 11 to 17 mph becoming south in the afternoon. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 14. South wind 15 to 18 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.

    Low: 14 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow, mainly before 11am. Mostly cloudy, with a high near 25. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 31 mph.

    High: 25 °F

    Chance Snow
    and Blustery

  • Thursday Night

    Thursday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around -3.

    Low: -3 °F

    Chance Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 19. Wind chill values as low as 10. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 42. Wind chill values as low as 18. Breezy, with a west wind 16 to 25 mph, with gusts as high as 39 mph.
Monday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a temperature falling to near 32 by 8pm, then rising to around 37 during the remainder of the night. Southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Tuesday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 49. Very windy, with a northwest wind 28 to 33 mph increasing to 36 to 41 mph in the afternoon. Winds could gust as high as 55 mph.
Tuesday Night
Mostly cloudy, with a low around 22. Blustery, with a northwest wind 23 to 28 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 40 mph.
Wednesday
A 50 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 35. West wind 11 to 17 mph becoming south in the afternoon. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 14. South wind 15 to 18 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Thursday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 25. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 31 mph.
Thursday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around -3.
Friday
A slight chance of snow. Mostly cloudy, with a high near 8.
Friday Night
A chance of snow. Mostly cloudy, with a low around -3.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 17.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo SD
 45.58°N 103.55°W (Elev. 2897 ft)
Last Update:
3:12 pm MST Dec 7, 2025
Forecast Valid:
4pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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