Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Fair

34°F

1°C

Humidity 87%
Wind Speed S 17 mph
Barometer 30.11 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 6 Feb 10:35 pm CST
Extended Forecast for

Long Valley SD

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 39 by 4am. Wind chill values as low as 20. Breezy, with a south wind 20 to 26 mph, with gusts as high as 38 mph.

    Low: 33 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Breezy, with a southwest wind 20 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph.

    High: 66 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. West wind 11 to 15 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69. West wind 9 to 15 mph, with gusts as high as 21 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. Southwest wind 8 to 13 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 65. Breezy, with a southwest wind 14 to 20 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 65 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A slight chance of rain and snow after 11pm.  Mostly cloudy, with a low around 31. Northwest wind 14 to 17 mph.  Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of snow, mainly before 11am.  Mostly cloudy, with a high near 46. Breezy, with a northwest wind 15 to 20 mph.

    High: 46 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 39 by 4am. Wind chill values as low as 20. Breezy, with a south wind 20 to 26 mph, with gusts as high as 38 mph.
Saturday
Mostly sunny, with a high near 66. Breezy, with a southwest wind 20 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph.
Saturday Night
Partly cloudy, with a low around 36. West wind 11 to 15 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 69. West wind 9 to 15 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 38. Southwest wind 8 to 13 mph.
Monday
Mostly sunny, with a high near 65. Breezy, with a southwest wind 14 to 20 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A slight chance of rain and snow after 11pm. Mostly cloudy, with a low around 31. Northwest wind 14 to 17 mph. Chance of precipitation is 20%.
Tuesday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 46. Breezy, with a northwest wind 15 to 20 mph.
Tuesday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 27.
Wednesday
A chance of snow. Mostly cloudy, with a high near 46.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 51.
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)
8:42 pm MST Feb 6, 2026
9pm MST Feb 6, 2026-6pm MST Feb 13, 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