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

Active Spring Like Pattern Across the Eastern Half of the Country

The second storm will track across central and eastern portion of the country this weekend. Heavy wintry precipitation will affect the northern Plains to the upper peninsula of Michigan. Severe thunderstorms are expected along and ahead of the cold front, where very large hail, damaging winds and a few tornadoes are possible from the mid-Mississippi and Ohio Valleys to southern Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Light Snow Fog/Mist

28°F

-2°C

Humidity 100%
Wind Speed NW 14 G 21 mph
Barometer 30.11 in
Dewpoint 28°F (-2°C)
Visibility 1.75 mi
Wind Chill17°F (-8°C)
Last update 4 Apr 5:55 am CDT
Extended Forecast for

Long Valley SD

  • Overnight

    Overnight: A 20 percent chance of snow. Cloudy, with a low around 26. Wind chill values as low as 14. Blustery, with a northwest wind around 23 mph, with gusts as high as 37 mph.

    Low: 26 °F

    Slight Chance
    Snow and
    Blustery

  • Saturday

    Saturday: A 20 percent chance of snow before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 47. Wind chill values as low as 15 early. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 41 mph.

    High: 47 °F

    Breezy.
    Slight Chance
    Snow then
    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Northwest wind 8 to 17 mph becoming west in the evening. Winds could gust as high as 25 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Breezy, with a west wind 14 to 20 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 57 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain before 1am, then a chance of rain and snow between 1am and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 30. North wind 8 to 17 mph becoming east after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Monday

    Monday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 44. Breezy, with an east wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 44 °F

    Slight Chance
    Snow then
    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 29. Breezy, with an east wind 21 to 23 mph, with gusts as high as 32 mph.

    Low: 29 °F

    Breezy.
    Cloudy then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 65. Windy, with a south wind 22 to 31 mph, with gusts as high as 40 mph.

    High: 65 °F

    Decreasing
    Clouds and
    Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a low around 26. Wind chill values as low as 14. Blustery, with a northwest wind around 23 mph, with gusts as high as 37 mph.
Saturday
A 20 percent chance of snow before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 47. Wind chill values as low as 15 early. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 41 mph.
Saturday Night
Mostly clear, with a low around 32. Northwest wind 8 to 17 mph becoming west in the evening. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 57. Breezy, with a west wind 14 to 20 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
A chance of rain before 1am, then a chance of rain and snow between 1am and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 30. North wind 8 to 17 mph becoming east after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Monday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 44. Breezy, with an east wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 29. Breezy, with an east wind 21 to 23 mph, with gusts as high as 32 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 65. Windy, with a south wind 22 to 31 mph, with gusts as high as 40 mph.
Tuesday Night
Partly cloudy, with a low around 42. Breezy.
Wednesday
Mostly sunny, with a high near 65. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Blustery.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 46. Breezy.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 29. Breezy.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley SD
 43.45°N 101.49°W (Elev. 2700 ft)
Last Update:
4:17 am MDT Apr 4, 2026
Forecast Valid:
5am MDT Apr 4, 2026-6pm MDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation