Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Fair

10°F

-12°C

Humidity 85%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 21 Feb 6:35 am CST
Extended Forecast for

Long Valley SD

  • Today

    Today: A slight chance of snow showers between 8am and 2pm.  Mostly sunny, with a high near 31. Wind chill values as low as 5. Northwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Mostly clear, with a low around 3. Wind chill values as low as -4. Northwest wind 5 to 10 mph.

    Low: 3 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 32. Wind chill values as low as -2. North wind 5 to 9 mph.

    High: 32 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14. Wind chill values as low as -1. Breezy, with an east wind 11 to 21 mph, with gusts as high as 28 mph.

    Low: 14 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 54. Breezy, with a south wind 17 to 22 mph becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 54 °F

    Sunny and
    Breezy then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. West wind 9 to 16 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. Breezy, with a west wind 16 to 21 mph, with gusts as high as 28 mph.

    High: 63 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Breezy, with a west wind 18 to 25 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A chance of rain.  Partly sunny, with a high near 55. Windy.

    High: 55 °F

    Chance Rain
    and Windy

Detailed Forecast

Today
A slight chance of snow showers between 8am and 2pm. Mostly sunny, with a high near 31. Wind chill values as low as 5. Northwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 3. Wind chill values as low as -4. Northwest wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 32. Wind chill values as low as -2. North wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 14. Wind chill values as low as -1. Breezy, with an east wind 11 to 21 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 54. Breezy, with a south wind 17 to 22 mph becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 34. West wind 9 to 16 mph, with gusts as high as 22 mph.
Tuesday
Mostly cloudy, with a high near 63. Breezy, with a west wind 16 to 21 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Breezy, with a west wind 18 to 25 mph, with gusts as high as 30 mph.
Wednesday
A chance of rain. Partly sunny, with a high near 55. Windy.
Wednesday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 28. Blustery.
Thursday
Sunny, with a high near 58. Breezy.
Thursday Night
Mostly clear, with a low around 33. Breezy.
Friday
Mostly sunny, with a high near 60. Windy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Long Valley SD
 43.45°N 101.49°W (Elev. 2700 ft)
3:22 am MST Feb 21, 2026
5am MST Feb 21, 2026-6pm MST Feb 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database