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

88°F

31°C

Humidity 14%
Wind Speed SW 9 G 28 mph
Barometer 29.69 in (997.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Jun 1:53 pm MDT
Extended Forecast for

4 Miles E Custer SD

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 90. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. East wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. North wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 46. North wind around 5 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 67. Northwest wind around 5 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 49. Southeast wind around 5 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 65.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 90. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 64. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 89. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 54. East wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 78. North wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. North wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Monday
Sunny, with a high near 67. Northwest wind around 5 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Southeast wind around 5 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 65.
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 51.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 68.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Custer SD
 43.78°N 103.51°W (Elev. 5217 ft)
2:30 pm MDT Jun 20, 2025
2pm 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