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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 >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

61°F

16°C

Humidity 67%
Wind Speed SE 6 mph
Barometer 30.38 in (1024.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Aug 11:53 am MDT
Extended Forecast for

Custer SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 67. South wind around 5 mph becoming southeast. Winds could gust as high as 15 mph.

    High: 67 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 3am. Partly cloudy, with a low around 46. East wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 66. East wind around 5 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68. Light northeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 68 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 67. South wind around 5 mph becoming southeast. Winds could gust as high as 15 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 3am. Partly cloudy, with a low around 46. East wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 66. East wind around 5 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 45. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68. Light northeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Tuesday
Mostly sunny, with a high near 72. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Wednesday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 72.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.76°N 103.6°W (Elev. 5417 ft)
Last Update:
9:29 am MDT Aug 23, 2025
Forecast Valid:
12pm MDT Aug 23, 2025-6pm MDT Aug 29, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation