Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

50°F

10°C

Humidity 46%
Wind Speed W 9 G 17 mph
Barometer 29.76 in (1005.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 17 Oct 5:53 pm MDT
Extended Forecast for

4 Miles W Custer State Park SD

  • Tonight

    Tonight: A slight chance of rain between 2am and 4am.  Mostly cloudy, with a low around 36. West wind 6 to 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 11 to 15 mph, with gusts as high as 31 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. West wind 7 to 9 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. West wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 38. Northwest wind 11 to 13 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of rain showers after noon, mixing with snow after 4pm.  Sunny, with a high near 50. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 38 mph.  Chance of precipitation is 20%.

    High: 50 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Northwest wind 7 to 15 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. West wind 5 to 7 mph becoming south in the morning. Winds could gust as high as 18 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of rain between 2am and 4am. Mostly cloudy, with a low around 36. West wind 6 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 11 to 15 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 29. West wind 7 to 9 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 65. West wind 9 to 14 mph, with gusts as high as 28 mph.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38. Northwest wind 11 to 13 mph, with gusts as high as 30 mph.
Monday
A slight chance of rain showers after noon, mixing with snow after 4pm. Sunny, with a high near 50. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 30. Northwest wind 7 to 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 57. West wind 5 to 7 mph becoming south in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Custer State Park SD
 43.72°N 103.48°W (Elev. 4800 ft)
5:21 pm MDT Oct 17, 2025
6pm MDT Oct 17, 2025-6pm MDT Oct 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database