Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

60°F

16°C

Humidity 58%
Wind Speed N 9 mph
Barometer 29.81 in (1001.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 5:53 am MDT
Extended Forecast for

Custer County Airport SD

  • Today

    Today: Sunny, with a high near 90. Breezy, with a northwest wind 5 to 10 mph becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 90 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. West wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. Southeast wind around 10 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. North wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 44. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 65. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after midnight.  Partly cloudy, with a low around 47. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 90. Breezy, with a northwest wind 5 to 10 mph becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 60. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 85. West wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 53. Southeast wind around 10 mph becoming north after midnight. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 73. North wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 20 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 65. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 47. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 66.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 50.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 68.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Custer County Airport SD
 43.73°N 103.63°W (Elev. 5531 ft)
5:30 am MDT Jun 20, 2025
6am MDT Jun 20, 2025-6pm MDT Jun 26, 2025
 
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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