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

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

45°F

7°C

Humidity 58%
Wind Speed W 5 mph
Barometer 30.10 in (1013.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 9 Oct 1:53 am MDT
Extended Forecast for

6 Miles NNW Keystone SD

Red Flag Warning October 9, 11:00am until October 9, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly clear, with a low around 44. Calm wind. Winds could gust as high as 16 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 29 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Southwest wind around 7 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. West wind 3 to 8 mph. Winds could gust as high as 25 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 51. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 51 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 62. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 62 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Columbus Day

    Columbus Day: A chance of rain before noon. Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A chance of rain, mainly after midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Calm wind. Winds could gust as high as 16 mph.
Friday
Sunny, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 29 mph.
Friday Night
Mostly clear, with a low around 59. Southwest wind around 7 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 84. West wind 3 to 8 mph. Winds could gust as high as 25 mph.
Saturday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 51. Light and variable wind. Winds could gust as high as 15 mph.
Sunday
Mostly cloudy, with a high near 62. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Columbus Day
A chance of rain before noon. Partly sunny, with a high near 56.
Monday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 39.
Tuesday
A slight chance of rain. Partly sunny, with a high near 60.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 42.
Wednesday
Rain likely. Partly sunny, with a high near 56.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
Last Update:
12:31 am MDT Oct 9, 2026
Forecast Valid:
1am MDT Oct 9, 2026-6pm MDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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