Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

24°F

-4°C

Humidity 75%
Wind Speed Calm
Barometer 30.04 in (1018.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 1 Mar 12:53 am MST
Extended Forecast for

6 Miles NNW Keystone SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Calm wind becoming east around 5 mph. Winds could gust as high as 15 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am.  Mostly cloudy, with a high near 58. Calm wind becoming east around 5 mph.

    High: 58 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A slight chance of rain before 2am, then a slight chance of rain and snow.  Mostly cloudy, with a low around 34. Calm wind.  Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: Sunny, with a high near 55. Calm wind becoming north around 5 mph. Winds could gust as high as 17 mph.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 33. Calm wind becoming southwest 5 to 7 mph after midnight. Winds could gust as high as 22 mph.

    Low: 33 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. Southwest wind 3 to 7 mph. Winds could gust as high as 23 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 18. Calm wind.
Sunday
Mostly sunny, with a high near 50. Calm wind becoming east around 5 mph. Winds could gust as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 30. Calm wind.
Monday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 58. Calm wind becoming east around 5 mph.
Monday Night
A slight chance of rain before 2am, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 55. Calm wind becoming north around 5 mph. Winds could gust as high as 17 mph.
Tuesday Night
Clear, with a low around 33. Calm wind becoming southwest 5 to 7 mph after midnight. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 62. Southwest wind 3 to 7 mph. Winds could gust as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 52.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Friday
A chance of snow. Mostly cloudy, with a high near 47.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 26.
Saturday
A slight chance of snow. Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
11:31 pm MST Feb 28, 2026
1am MST Mar 1, 2026-6pm MST Mar 7, 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