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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Mostly Cloudy

25°F

-4°C

Humidity 50%
Wind Speed Vrbl 5 mph
Barometer 30.21 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Jan 11:35 pm CST
Extended Forecast for

Long Valley SD

  • Tonight

    Tonight: A 20 percent chance of snow after 3am. Mostly cloudy, with a steady temperature around 26. Wind chill values as low as 13. West wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 26 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow, mainly after 7am. Cloudy, with a high near 38. Wind chill values as low as 15. Northwest wind 11 to 18 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Cloudy during the early evening, then gradual clearing, with a low around 26. West wind 6 to 13 mph.

    Low: 26 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 55. Breezy, with a west wind 16 to 21 mph, with gusts as high as 29 mph.

    High: 55 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. West wind 14 to 16 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58. Breezy, with a west wind 18 to 23 mph, with gusts as high as 33 mph.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. Breezy, with a west wind 21 to 28 mph, with gusts as high as 38 mph.

    Low: 43 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Windy, with a northwest wind 28 to 36 mph, with gusts as high as 50 mph.

    High: 55 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
A 20 percent chance of snow after 3am. Mostly cloudy, with a steady temperature around 26. Wind chill values as low as 13. West wind 14 to 17 mph, with gusts as high as 29 mph.
Saturday
A 50 percent chance of snow, mainly after 7am. Cloudy, with a high near 38. Wind chill values as low as 15. Northwest wind 11 to 18 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Cloudy during the early evening, then gradual clearing, with a low around 26. West wind 6 to 13 mph.
Sunday
Sunny, with a high near 55. Breezy, with a west wind 16 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 32. West wind 14 to 16 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 58. Breezy, with a west wind 18 to 23 mph, with gusts as high as 33 mph.
Monday Night
Mostly cloudy, with a low around 43. Breezy, with a west wind 21 to 28 mph, with gusts as high as 38 mph.
Tuesday
Partly sunny, with a high near 55. Windy, with a northwest wind 28 to 36 mph, with gusts as high as 50 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Breezy.
Wednesday
Partly sunny, with a high near 45. Breezy.
Wednesday Night
Partly cloudy, with a low around 31. Breezy.
Thursday
Mostly sunny, with a high near 49. Windy.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 24. Windy.
Friday
A slight chance of snow. Mostly cloudy, with a high near 34. Very windy.
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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:
9:06 pm MST Jan 9, 2026
Forecast Valid:
10pm MST Jan 9, 2026-6pm MST Jan 16, 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