Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

61°F

16°C

Humidity 60%
Wind Speed W 10 mph
Barometer 29.98 in (1007.6 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 30 Aug 1:53 am MDT
Extended Forecast for

4 Miles WNW Custer State Park SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. West wind around 9 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. West wind 8 to 13 mph, with gusts as high as 26 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. West wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 23 mph.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 23 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am.  Mostly cloudy, with a low around 58. Light and variable wind becoming north 5 to 7 mph in the evening. Winds could gust as high as 16 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 76. West wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. West wind around 9 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 81. West wind 8 to 13 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 54. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 23 mph.
Monday
Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
A slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 58. Light and variable wind becoming north 5 to 7 mph in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 76. West wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Custer State Park SD
 43.74°N 103.48°W (Elev. 5600 ft)
12:31 am MDT Aug 30, 2026
2am MDT Aug 30, 2026-6pm MDT Sep 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database