Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Buffalo (K2WX)

Lat: 45.6°NLon: 103.55°WElev: 3002ft.

31°F

-1°C

Humidity 85%
Wind Speed W 17 mph
Barometer 30.03 in (1019.3 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 10 Dec 2:56 am MST
Extended Forecast for

10 Miles W Reva SD

Winter Weather Advisory December 10, 05:00pm until December 11, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: Partly cloudy, with a low around 24. Wind chill values as low as 14. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 33 mph.

    Low: 24 °F

    Partly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Snow, mainly after 5pm.  High near 35. Wind chill values as low as 14. Northwest wind 5 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Slight Chance
    Snow then
    Snow

  • Wednesday Night

    Wednesday Night: Snow and freezing rain before 10pm, then rain likely.  Temperature rising to around 38 by 2am. Wind chill values as low as 18. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 80%. Little or no ice accumulation expected.  New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Wintry Mix
    then Rain
    Likely

  • Thursday

    Thursday: A 50 percent chance of rain.  Mostly cloudy, with a high near 48. Breezy, with a west wind 14 to 23 mph, with gusts as high as 36 mph.

    High: 48 °F

    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow.  Cloudy, with a low around 9. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 9 °F

    Blustery.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A 50 percent chance of snow.  Cloudy, with a steady temperature around 13. North wind 9 to 15 mph, with gusts as high as 22 mph.  New snow accumulation of less than one inch possible.

    High: 13 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow.  Low around 3. East wind around 10 mph, with gusts as high as 16 mph.  Chance of precipitation is 80%.

    Low: 3 °F

    Snow

  • Saturday

    Saturday: A chance of snow before 11am.  Mostly cloudy, with a high near 13. East wind around 9 mph becoming north in the afternoon. Winds could gust as high as 16 mph.

    High: 13 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Wind chill values as low as 14. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 33 mph.
Wednesday
Snow, mainly after 5pm. High near 35. Wind chill values as low as 14. Northwest wind 5 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow and freezing rain before 10pm, then rain likely. Temperature rising to around 38 by 2am. Wind chill values as low as 18. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 48. Breezy, with a west wind 14 to 23 mph, with gusts as high as 36 mph.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow. Cloudy, with a low around 9. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A 50 percent chance of snow. Cloudy, with a steady temperature around 13. North wind 9 to 15 mph, with gusts as high as 22 mph. New snow accumulation of less than one inch possible.
Friday Night
Snow. Low around 3. East wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%.
Saturday
A chance of snow before 11am. Mostly cloudy, with a high near 13. East wind around 9 mph becoming north in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Reva SD
 45.51°N 103.3°W (Elev. 2897 ft)
1:46 am MST Dec 10, 2025
3am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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