Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

75°F

24°C

Humidity 42%
Wind Speed Vrbl 5 mph
Barometer 30.31 in (1019.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 1 Aug 9:53 am MDT
Extended Forecast for

5 Miles E Custer SD

  • Today

    Today: Widespread haze. Sunny, with a high near 90. South wind 5 to 7 mph, with gusts as high as 21 mph.

    High: 90 °F

    Haze

  • Tonight

    Tonight: Widespread haze before midnight. Mostly clear, with a low around 66. South wind around 6 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 66 °F

    Haze then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 99. West wind around 6 mph becoming light and variable. Winds could gust as high as 21 mph.

    High: 99 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 18 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81. Northwest wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after midnight.  Mostly clear, with a low around 52. Northeast wind 9 to 14 mph becoming light north  after midnight. Winds could gust as high as 33 mph.

    Low: 52 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon.  Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after midnight.  Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Widespread haze. Sunny, with a high near 90. South wind 5 to 7 mph, with gusts as high as 21 mph.
Tonight
Widespread haze before midnight. Mostly clear, with a low around 66. South wind around 6 mph becoming west after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 99. West wind around 6 mph becoming light and variable. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 65. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 81. Northwest wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after midnight. Mostly clear, with a low around 52. Northeast wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 33 mph.
Tuesday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 68.
Tuesday Night
A chance of showers after midnight. Mostly clear, with a low around 51.
Wednesday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
7:47 am MDT Aug 1, 2026
10am MDT Aug 1, 2026-6pm MDT Aug 7, 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