October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

77°F

25°C

Humidity 15%
Wind Speed W 12 mph
Barometer 30.15 in (1014.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 6 Oct 11:53 am MDT
Extended Forecast for

Custer SD

  • This Afternoon

    This Afternoon: Sunny, with a temperature falling to around 72 by 5pm. Northwest wind around 5 mph, with gusts as high as 16 mph.

    High: 78 °F⇓

    Sunny

  • Tonight

    Tonight: Clear, with a low around 46. Light and variable wind.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. East wind around 5 mph becoming calm  in the evening.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a temperature falling to around 72 by 5pm. Northwest wind around 5 mph, with gusts as high as 16 mph.
Tonight
Clear, with a low around 46. Light and variable wind.
Wednesday
Sunny, with a high near 73. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 42. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Mostly clear, with a low around 46. Light and variable wind.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 76.
Saturday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 41.
Sunday
A chance of rain. Partly sunny, with a high near 54.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 34.
Columbus Day
A chance of rain and snow. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.76°N 103.6°W (Elev. 5417 ft)
10:41 am MDT Oct 6, 2026
12pm MDT Oct 6, 2026-6pm MDT Oct 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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