Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

46°F

8°C

Humidity 86%
Wind Speed E 13 mph
Barometer 29.84 in (1007.5 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 11 Oct 6:53 pm MDT
Extended Forecast for

2 Miles WNW Custer County Airport SD

  • Tonight

    Tonight: A chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 44. East wind 5 to 7 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 60. West wind 3 to 8 mph. Winds could gust as high as 18 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after midnight.  Mostly cloudy, with a low around 38. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    Low: 38 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 51. Calm wind becoming southeast around 5 mph.

    High: 51 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 37. Light northeast wind.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after noon.  Mostly cloudy, with a high near 48. Calm wind becoming east around 5 mph.  Chance of precipitation is 70%.

    High: 48 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely

  • Thursday

    Thursday: A slight chance of rain before noon.  Partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 44. East wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Columbus Day
Mostly sunny, with a high near 60. West wind 3 to 8 mph. Winds could gust as high as 18 mph.
Monday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 38. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 51. Calm wind becoming southeast around 5 mph.
Tuesday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. Light northeast wind.
Wednesday
Rain likely, mainly after noon. Mostly cloudy, with a high near 48. Calm wind becoming east around 5 mph. Chance of precipitation is 70%.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Thursday
A slight chance of rain before noon. Partly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 53.
Friday Night
Clear, with a low around 35.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Custer County Airport SD
 43.75°N 103.66°W (Elev. 5577 ft)
7:06 pm MDT Oct 11, 2026
7pm MDT Oct 11, 2026-6pm MDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database