Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

Lat: 43.26°NLon: 100.86°WElev: 2724ft.

Fair

36°F

2°C

Humidity 44%
Wind Speed W 13 G 24 mph
Barometer 29.50 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 18 Feb 2:55 am CST
Extended Forecast for

Long Valley SD

Wind Advisory February 18, 02:11am until February 18, 05:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory February 18, 02:11am until February 18, 05:00am

    NOW until 5:00am Wed

    Wind Advisory

  • Overnight

    Low: 30 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 47. Wind chill values as low as 20 early. West wind 14 to 17 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow after 11pm.  Mostly cloudy, with a low around 14. Wind chill values as low as -3. Blustery, with a northeast wind 17 to 25 mph, with gusts as high as 32 mph.  New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: A 50 percent chance of snow.  Patchy blowing snow between 8am and 4pm. Cloudy, with a high near 22. Wind chill values as low as -4. Blustery, with a northwest wind 18 to 26 mph, with gusts as high as 32 mph.  New snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around 4. Northwest wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. West wind 10 to 13 mph becoming north in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 12. Northeast wind 7 to 9 mph becoming south after midnight.

    Low: 12 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of snow before 11am.  Mostly sunny, with a high near 37. Southwest wind 8 to 14 mph becoming northwest in the afternoon.

    High: 37 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Wind chill values as low as 19. Breezy, with a west wind 17 to 20 mph, with gusts as high as 29 mph.
Wednesday
Sunny, with a high near 47. Wind chill values as low as 20 early. West wind 14 to 17 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 14. Wind chill values as low as -3. Blustery, with a northeast wind 17 to 25 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Thursday
A 50 percent chance of snow. Patchy blowing snow between 8am and 4pm. Cloudy, with a high near 22. Wind chill values as low as -4. Blustery, with a northwest wind 18 to 26 mph, with gusts as high as 32 mph. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 4. Northwest wind 9 to 14 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 29. West wind 10 to 13 mph becoming north in the afternoon.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12. Northeast wind 7 to 9 mph becoming south after midnight.
Saturday
A slight chance of snow before 11am. Mostly sunny, with a high near 37. Southwest wind 8 to 14 mph becoming northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 9.
Sunday
Sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Sunny, with a high near 47. Breezy.
Monday Night
Partly cloudy, with a low around 31. Breezy.
Tuesday
Partly sunny, with a high near 55. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley SD
 43.45°N 101.49°W (Elev. 2700 ft)
1:37 am MST Feb 18, 2026
2am MST Feb 18, 2026-6pm MST Feb 24, 2026
 
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Additional Resources

Radar & Satellite Image

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