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

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Fair

37°F

3°C

Humidity 38%
Wind Speed N 10 mph
Barometer 29.57 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 18 Feb 4:55 pm CST
Extended Forecast for

Long Valley SD

Winter Weather Advisory February 18, 11:00pm until February 19, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A 20 percent chance of snow after 8pm.  Increasing clouds, with a low around 13. Wind chill values as low as -6. Blustery, with a northeast wind 17 to 26 mph, with gusts as high as 36 mph.

    Low: 13 °F

    Slight Chance
    Snow and
    Blustery

  • Thursday

    Thursday: A 50 percent chance of snow.  Patchy blowing snow after 9am. Cloudy, with a high near 22. Wind chill values as low as -8. Blustery, with a northwest wind 23 to 29 mph, with gusts as high as 37 mph.  New snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values as low as -6. Northwest wind 10 to 18 mph, with gusts as high as 24 mph.  New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27. Wind chill values as low as -6. Northwest wind 9 to 11 mph, with gusts as high as 16 mph.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8. Southwest wind around 7 mph.

    Low: 8 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 35. West wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 35 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 7. Northwest wind around 9 mph.

    Low: 7 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 32. Northwest wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 32 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14. Breezy.

    Low: 14 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

Detailed Forecast

Tonight
A 20 percent chance of snow after 8pm. Increasing clouds, with a low around 13. Wind chill values as low as -6. Blustery, with a northeast wind 17 to 26 mph, with gusts as high as 36 mph.
Thursday
A 50 percent chance of snow. Patchy blowing snow after 9am. Cloudy, with a high near 22. Wind chill values as low as -8. Blustery, with a northwest wind 23 to 29 mph, with gusts as high as 37 mph. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values as low as -6. Northwest wind 10 to 18 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 27. Wind chill values as low as -6. Northwest wind 9 to 11 mph, with gusts as high as 16 mph.
Friday Night
Mostly cloudy, with a low around 8. Southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 35. West wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 7. Northwest wind around 9 mph.
Sunday
Sunny, with a high near 32. Northwest wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 14. Breezy.
Monday
Sunny, with a high near 50. Breezy.
Monday Night
Partly cloudy, with a low around 30. Breezy.
Tuesday
Mostly sunny, with a high near 59. Breezy.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley SD
 43.45°N 101.49°W (Elev. 2700 ft)
2:37 pm MST Feb 18, 2026
4pm MST Feb 18, 2026-6pm MST Feb 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database