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

Excessive Rainfall Possible This Weekend; 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 the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

49°F

9°C

Humidity 69%
Wind Speed NW 5 mph
Barometer 30.08 in (1013.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 3 Oct 2:53 am MDT
Extended Forecast for

Buffalo Gap SD

  • Overnight

    Overnight: Mostly clear, with a low around 53. West wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. West wind 5 to 10 mph becoming north 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. Northeast wind 12 to 17 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 76. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 20 mph.

    High: 76 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 17 mph.

    Low: 50 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 87. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 87 °F

    Sunny

  • Monday Night

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

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 53. West wind around 5 mph.
Saturday
Sunny, with a high near 79. West wind 5 to 10 mph becoming north 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Mostly clear, with a low around 46. Northeast wind 12 to 17 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 76. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Clear, with a low around 50. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Monday
Sunny, with a high near 87. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Buffalo Gap SD
 43.49°N 103.31°W (Elev. 3314 ft)
Last Update:
12:31 am MDT Oct 3, 2026
Forecast Valid:
3am MDT Oct 3, 2026-6pm MDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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