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.

Windy

35°F

2°C

Humidity 72%
Wind Speed NW 33 G 45 mph
Barometer 29.83 in (1012.1 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 9 Dec 6:56 pm MST
Extended Forecast for

8 Miles NNW Buffalo SD

Winter Weather Advisory December 10, 05:00pm until December 11, 11:00am
High Wind Warning December 9, 07:31pm until December 10, 02:00am
Click here for hazard details and duration
Winter Weather Advisory
High Wind Warning
  •  
    High Wind Warning December 9, 07:31pm until December 10, 02:00am

    NOW until 2:00am Wed

    High Wind Warning

  • Tonight

    Low: 23 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Snow likely after 11am, mixing with sleet after 5pm.  Mostly cloudy, with a high near 36. Wind chill values as low as 12. Northwest wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.

    High: 36 °F

    Snow Likely
    then
    Snow/Sleet
    Likely

  • Wednesday Night

    Wednesday Night: Snow and freezing rain likely before 8pm, then freezing rain likely between 8pm and 1am, then a chance of rain after 1am.  Cloudy, with a temperature rising to around 38 by 4am. Wind chill values as low as 19. South wind around 15 mph becoming west after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 70%. New ice accumulation of less than a 0.1 of an inch possible.  New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Wintry Mix
    Likely

  • Thursday

    Thursday: A 50 percent chance of rain.  Cloudy, with a temperature rising to near 45 by 11am, then falling to around 34 during the remainder of the day. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 45 °F

    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Cloudy, with a low around 6. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 30 mph.  New snow accumulation of less than a half inch possible.

    Low: 6 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: Snow likely, mainly after 11am.  Cloudy, with a high near 11. Northwest wind 10 to 16 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 11 °F

    Snow Likely

  • 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 8. Northeast wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 8 °F

    Chance Snow
    then Partly
    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Wind chill values as low as 12. Windy, with a northwest wind 29 to 34 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 50 mph.
Wednesday
Snow likely after 11am, mixing with sleet after 5pm. Mostly cloudy, with a high near 36. Wind chill values as low as 12. Northwest wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.
Wednesday Night
Snow and freezing rain likely before 8pm, then freezing rain likely between 8pm and 1am, then a chance of rain after 1am. Cloudy, with a temperature rising to around 38 by 4am. Wind chill values as low as 19. South wind around 15 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
Thursday
A 50 percent chance of rain. Cloudy, with a temperature rising to near 45 by 11am, then falling to around 34 during the remainder of the day. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
A 50 percent chance of snow. Cloudy, with a low around 6. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after 11am. Cloudy, with a high near 11. Northwest wind 10 to 16 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches 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 8. Northeast wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 17 mph.
Saturday Night
Mostly cloudy, with a low around -5.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 40. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Buffalo SD
 45.69°N 103.59°W (Elev. 3130 ft)
7:07 pm MST Dec 9, 2025
7pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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