Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Overcast

36°F

2°C

Humidity 70%
Wind Speed NW 9 G 17 mph
Barometer 30.11 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 18 Apr 10:15 am CDT
Extended Forecast for

Long Valley SD

  • Today

    Today: A slight chance of snow showers between noon and 1pm, then a slight chance of rain showers after 1pm.  Mostly sunny, with a high near 53. Breezy, with a northwest wind 17 to 26 mph, with gusts as high as 41 mph.  Chance of precipitation is 20%.

    High: 53 °F

    Breezy.
    Mostly Sunny
    then Isolated
    Rain/Snow

  • Tonight

    Tonight: Mostly clear, with a low around 28. Blustery, with a northwest wind 16 to 21 mph becoming west 6 to 11 mph in the evening. Winds could gust as high as 26 mph.

    Low: 28 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 63. West wind 6 to 14 mph becoming east in the morning.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Breezy, with an east wind 15 to 20 mph becoming south after midnight. Winds could gust as high as 28 mph.

    Low: 39 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 84. Breezy, with a south wind 14 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 84 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Northwest wind 6 to 13 mph becoming south after midnight.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Southeast wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. Breezy, with a south wind 18 to 23 mph, with gusts as high as 32 mph.

    Low: 58 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: A slight chance of showers after noon.  Mostly sunny, with a high near 89. Breezy.

    High: 89 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A slight chance of snow showers between noon and 1pm, then a slight chance of rain showers after 1pm. Mostly sunny, with a high near 53. Breezy, with a northwest wind 17 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 28. Blustery, with a northwest wind 16 to 21 mph becoming west 6 to 11 mph in the evening. Winds could gust as high as 26 mph.
Sunday
Sunny, with a high near 63. West wind 6 to 14 mph becoming east in the morning.
Sunday Night
Mostly clear, with a low around 39. Breezy, with an east wind 15 to 20 mph becoming south after midnight. Winds could gust as high as 28 mph.
Monday
Sunny, with a high near 84. Breezy, with a south wind 14 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly clear, with a low around 46. Northwest wind 6 to 13 mph becoming south after midnight.
Tuesday
Sunny, with a high near 85. Southeast wind 7 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 58. Breezy, with a south wind 18 to 23 mph, with gusts as high as 32 mph.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 89. Breezy.
Wednesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 51. Breezy.
Thursday
A chance of showers. Mostly sunny, with a high near 71. Windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 32. Windy.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 53. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley SD
 43.45°N 101.49°W (Elev. 2700 ft)
6:57 am MDT Apr 18, 2026
9am MDT Apr 18, 2026-6pm MDT Apr 24, 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