Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

73°F

23°C

Humidity 41%
Wind Speed SW 7 G 22 mph
Barometer 30.05 in (1009.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 29 Aug 9:53 am MDT
Extended Forecast for

Buffalo Gap SD

  • Today

    Today: Mostly sunny, with a high near 96. West wind 6 to 15 mph, with gusts as high as 30 mph.

    High: 96 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 64. Southwest wind 7 to 16 mph, with gusts as high as 29 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 93 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. West wind 13 to 18 mph becoming light and variable  after midnight. Winds could gust as high as 30 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 60. South wind 5 to 8 mph becoming north in the evening. Winds could gust as high as 16 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon.  Mostly cloudy, then gradually becoming sunny, with a high near 90.

    High: 90 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Breezy.

    High: 95 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 96. West wind 6 to 15 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 64. Southwest wind 7 to 16 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 93. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 56. West wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 30 mph.
Monday
Mostly sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 60. South wind 5 to 8 mph becoming north in the evening. Winds could gust as high as 16 mph.
Tuesday
A 20 percent chance of showers before noon. Mostly cloudy, then gradually becoming sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 95. Breezy.
Wednesday Night
Partly cloudy, with a low around 62. Breezy.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo Gap SD
 43.47°N 103.31°W (Elev. 3199 ft)
9:56 am MDT Aug 29, 2026
10am MDT Aug 29, 2026-6pm MDT Sep 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database