Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Light Rain

61°F

16°C

Humidity 81%
Wind Speed N 7 mph
Barometer 30.37 in (1023.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Aug 3:53 pm MDT
Extended Forecast for

4 Miles E Custer SD

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a steady temperature around 68. Northeast wind around 5 mph, with gusts as high as 15 mph.

    High: 68 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 4am.  Mostly cloudy, with a low around 50. North wind around 5 mph becoming calm  after midnight.

    Low: 50 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 69. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 48. East wind around 5 mph becoming calm.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 20 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. East wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 3pm.  Mostly sunny, with a high near 70. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 70 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. East wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 68. Northeast wind around 5 mph, with gusts as high as 15 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 50. North wind around 5 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 69. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 48. East wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 69. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 46. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Monday
A chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 70. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 75.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Custer SD
 43.78°N 103.51°W (Elev. 5217 ft)
3:30 pm MDT Aug 22, 2025
4pm MDT Aug 22, 2025-6pm MDT Aug 29, 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