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Tropical Depression Nine in the Gulf of America; California October Heat Wave Continues

Tropical Depression Nine is forecast to track toward the central U.S. Gulf Coast while strengthening into a tropical storm by early Wednesday and a hurricane on Thursday. Stay tuned to forecast updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday in Coastal California. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

72°F

22°C

Humidity 25%
Wind Speed E 7 mph
Barometer 30.13 in (1014.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 6 Oct 4:53 pm MDT
Extended Forecast for

4 Miles SSE Keystone SD

  • Tonight

    Tonight: Clear, with a low around 52. North wind around 6 mph becoming west after midnight. Winds could gust as high as 16 mph.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Light and variable wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72. Light and variable wind becoming southeast 5 to 8 mph. Winds could gust as high as 21 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Calm wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 16 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Southwest wind 7 to 13 mph, with gusts as high as 32 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 52. North wind around 6 mph becoming west after midnight. Winds could gust as high as 16 mph.
Wednesday
Sunny, with a high near 76. Light and variable wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 50. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 72. Light and variable wind becoming southeast 5 to 8 mph. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 55. Calm wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 16 mph.
Friday
Sunny, with a high near 82. Southwest wind 7 to 13 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A slight chance of rain. Partly sunny, with a high near 58.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43.
Columbus Day
A chance of rain. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Keystone SD
 43.83°N 103.37°W (Elev. 4400 ft)
Last Update:
5:16 pm MDT Oct 6, 2026
Forecast Valid:
5pm MDT Oct 6, 2026-6pm MDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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