Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

66°F

19°C

Humidity 52%
Wind Speed Vrbl 5 mph
Barometer 29.91 in (1007.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Jun 10:53 am MDT
Extended Forecast for

3 Miles NW Keystone SD

  • Today

    Today: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Patchy fog after noon.  Otherwise, mostly cloudy, with a temperature falling to around 55 by 4pm. North wind 5 to 7 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm.  Areas of fog.  Otherwise, cloudy, with a low around 46. North wind around 6 mph becoming calm  in the evening. Winds could gust as high as 22 mph.

    Low: 46 °F

    Slight Chance
    T-storms and
    Areas Fog
    then Areas
    Fog

  • Monday

    Monday: A slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 64. Calm wind becoming southeast around 5 mph. Winds could gust as high as 21 mph.  Chance of precipitation is 50%.

    High: 64 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 47. Light and variable wind becoming northwest around 6 mph after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 65. Northwest wind around 6 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph.  Chance of precipitation is 40%.

    High: 65 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after midnight.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight 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 65.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog after noon. Otherwise, mostly cloudy, with a temperature falling to around 55 by 4pm. North wind 5 to 7 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Areas of fog. Otherwise, cloudy, with a low around 46. North wind around 6 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Monday
A slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. Calm wind becoming southeast around 5 mph. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Light and variable wind becoming northwest around 6 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65. Northwest wind around 6 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 44. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 63. Chance of precipitation is 50%.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 46.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 65.
Thursday Night
A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 51.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 76.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Keystone SD
 43.94°N 103.47°W (Elev. 5482 ft)
10:58 am MDT Jun 21, 2026
11am MDT Jun 21, 2026-6pm MDT Jun 27, 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