National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this 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 58%
Wind Speed Calm
Barometer 30.30 in (1023.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 4 Oct 6:53 pm MDT
Extended Forecast for

Custer SD

  • Tonight

    Tonight: Clear, with a low around 51. East wind around 6 mph becoming west in the evening.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Calm wind becoming northwest around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Light and variable wind becoming north 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 49. Northeast wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 51. East wind around 6 mph becoming west in the evening.
Monday
Sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 54. Calm wind becoming northwest around 5 mph.
Tuesday
Sunny, with a high near 78. Light and variable wind becoming north 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 49. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 72. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 75.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 47.
Sunday
A chance of showers. Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.78°N 103.6°W (Elev. 5476 ft)
Last Update:
6:01 pm MDT Oct 4, 2026
Forecast Valid:
7pm MDT Oct 4, 2026-6pm MDT Oct 11, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation