Showers and Thunderstorms from the Southern Plains into the Mid-Mississippi Valley; Record Warmth in the Plains and Midwest

Heavy rain and widely scattered severe storms capable of large hail, damaging winds, and possibly a tornado are expected over portions of the central and southern Plains into the Lower Missouri Valley. Unseasonable warmth will continue for a few more days across the Midwest and Southeast where several daily record highs could fall. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fog/Mist

40°F

4°C

Humidity 97%
Wind Speed S 5 mph
Barometer 30.19 in (1020.7 mb)
Dewpoint 39°F (4°C)
Visibility 1.75 mi
Wind Chill36°F (2°C)
Last update 14 Oct 4:53 am MDT
Extended Forecast for

2 Miles ESE Keystone SD

  • Today

    Today: A 30 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 50. Calm wind becoming southeast around 5 mph.

    High: 50 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly after midnight.  Cloudy, with a steady temperature around 46. Calm wind becoming north 5 to 7 mph after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 70%.

    Low: 46 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: A 20 percent chance of rain before 9am.  Cloudy through mid morning, then gradual clearing, with a high near 54. Northwest wind 9 to 17 mph, with gusts as high as 36 mph.

    High: 54 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 30. Northwest wind 11 to 16 mph becoming light  after midnight. Winds could gust as high as 32 mph.

    Low: 30 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 59. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 48. Southwest wind 9 to 14 mph, with gusts as high as 33 mph.

    Low: 48 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 50. Calm wind becoming southeast around 5 mph.
Tonight
Rain likely, mainly after midnight. Cloudy, with a steady temperature around 46. Calm wind becoming north 5 to 7 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Thursday
A 20 percent chance of rain before 9am. Cloudy through mid morning, then gradual clearing, with a high near 54. Northwest wind 9 to 17 mph, with gusts as high as 36 mph.
Thursday Night
Clear, with a low around 30. Northwest wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 32 mph.
Friday
Sunny, with a high near 59. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Clear, with a low around 48. Southwest wind 9 to 14 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Keystone SD
 43.87°N 103.4°W (Elev. 4413 ft)
4:21 am MDT Oct 14, 2026
5am MDT Oct 14, 2026-6pm MDT Oct 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database