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

52°F

11°C

Humidity 93%
Wind Speed NE 5 mph
Barometer 30.11 in (1014.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 21 Jun 9:53 pm MDT
Extended Forecast for

15 Miles WNW Custer SD

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 41. Northeast wind 5 to 9 mph becoming light  after midnight.

    Low: 41 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 3pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 65. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 65 °F

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 44. Southeast wind 6 to 9 mph becoming northwest in the evening. Winds could gust as high as 21 mph.  Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 63. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 63 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 9pm.  Partly cloudy, with a low around 43. North wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 17 mph.  Chance of precipitation is 40%.

    Low: 43 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after noon.  High near 61. Calm wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 16 mph.  Chance of precipitation is 80%.

    High: 61 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Showers
    Likely then
    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 41. Northeast wind 5 to 9 mph becoming light after midnight.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 65. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Southeast wind 6 to 9 mph becoming northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 9pm. Partly cloudy, with a low around 43. North wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 40%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after noon. High near 61. Calm wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 64.
Thursday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 47.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WNW Custer SD
 43.83°N 103.88°W (Elev. 6198 ft)
8:33 pm MDT Jun 21, 2026
10pm 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