Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Partly Cloudy

57°F

14°C

Humidity 83%
Wind Speed NE 9 mph
Barometer 30.07 in (1013.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Jun 7:53 pm MDT
Extended Forecast for

4 Miles NNE Hill City SD

  • Tonight

    Tonight: Patchy fog.  Otherwise, mostly cloudy, with a low around 42. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Patchy Fog

  • Monday

    Monday: A slight chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Partly sunny, with a high near 65. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 70%.

    High: 65 °F

    Partly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 46. Southeast wind around 6 mph becoming calm. Winds could gust as high as 18 mph.  Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 64. North wind 5 to 7 mph becoming light and variable  in the afternoon. Winds could gust as high as 16 mph.

    High: 64 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 62. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph.  Chance of precipitation is 70%.

    High: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 66.

    High: 66 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Showers
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 42. Northeast wind around 6 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 65. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Southeast wind around 6 mph becoming calm. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. North wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 43. Light and variable wind.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 62. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 66.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 49.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Hill City SD
 43.97°N 103.56°W (Elev. 5600 ft)
5:37 pm MDT Jun 21, 2026
8pm MDT Jun 21, 2026-6pm MDT Jun 28, 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