National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Fair

46°F

8°C

Humidity 40%
Wind Speed SE 10 mph
Barometer 29.61 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 16 Feb 11:35 pm CST
Extended Forecast for

Long Valley SD

Red Flag Warning February 17, 11:00am until February 17, 06:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 37. South wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers after 5pm. Partly sunny, with a high near 66. Windy, with a south wind 15 to 20 mph becoming west 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 66 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 31. Wind chill values as low as 18. Windy, with a west wind 21 to 31 mph, with gusts as high as 39 mph.

    Low: 31 °F

    Slight Chance
    Showers and
    Windy then
    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. Wind chill values as low as 20 early. Breezy, with a west wind 16 to 20 mph becoming north in the afternoon.

    High: 49 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow after 11pm. Mostly cloudy, with a low around 15. Blustery, with a north wind 17 to 23 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: Snow. Patchy blowing snow. High near 22. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 22 °F

    Snow and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 2. West wind 10 to 15 mph, with gusts as high as 21 mph.

    Low: 2 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30. West wind 8 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 11pm. Partly cloudy, with a low around 10.

    Low: 10 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. South wind 11 to 17 mph, with gusts as high as 28 mph.
Tuesday
A 10 percent chance of showers after 5pm. Partly sunny, with a high near 66. Windy, with a south wind 15 to 20 mph becoming west 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.
Tuesday Night
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 31. Wind chill values as low as 18. Windy, with a west wind 21 to 31 mph, with gusts as high as 39 mph.
Wednesday
Mostly sunny, with a high near 49. Wind chill values as low as 20 early. Breezy, with a west wind 16 to 20 mph becoming north in the afternoon.
Wednesday Night
A 50 percent chance of snow after 11pm. Mostly cloudy, with a low around 15. Blustery, with a north wind 17 to 23 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.
Thursday
Snow. Patchy blowing snow. High near 22. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 2. West wind 10 to 15 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 30. West wind 8 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Mostly clear, with a low around 8.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly clear, with a low around 13. Breezy.
Monday
Sunny, with a high near 49. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Valley SD
 43.45°N 101.49°W (Elev. 2700 ft)
Last Update:
10:22 pm MST Feb 16, 2026
Forecast Valid:
10pm MST Feb 16, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation