Areas of Extreme Heat and Fire Weather in the West; Refreshingly Cooler Further East

Extreme heat will continue across the Pacific Northwest into midweek before finally waning. Hot temperatures, low relative humidity, gusty winds, and isolated dry thunderstorms will bring critical fire weather into Tuesday. A refreshingly cool air mass has settled into much of the eastern two-thirds of the Rockies through the week. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

68°F

20°C

Humidity 51%
Wind Speed E 12 mph
Barometer 30.26 in (1019.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 25 Aug 5:53 pm MDT
Extended Forecast for

Mount Rushmore SD

  • Tonight

    Tonight: Partly cloudy, with a low around 53. East wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Calm wind becoming southeast around 5 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 78. Calm wind becoming east around 5 mph.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 75. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 73. Calm wind becoming south around 5 mph.

    High: 73 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 76. Calm wind becoming southeast around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Calm wind becoming east around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 58. Calm wind.
Thursday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 75. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 73. Calm wind becoming south around 5 mph.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 57.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 67.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 56.
Labor Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Rushmore SD
 43.87°N 103.46°W (Elev. 5000 ft)
5:29 pm MDT Aug 25, 2025
6pm MDT Aug 25, 2025-6pm MDT Sep 1, 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