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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

45°F

7°C

Humidity 40%
Wind Speed NE 12 mph
Barometer 30.07 in (1019.1 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 9 Apr 2:53 pm MDT
Extended Forecast for

4 Miles E Custer SD

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 22 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 28 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. South wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 29 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 76. Southwest wind 6 to 11 mph, with gusts as high as 25 mph.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 48. West wind 7 to 11 mph, with gusts as high as 26 mph.

    Low: 48 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Sunny, with a high near 71. West wind 9 to 11 mph, with gusts as high as 30 mph.

    High: 71 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 44. West wind 5 to 8 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A chance of showers after noon. Mostly sunny, with a high near 66. Southwest wind 6 to 13 mph, with gusts as high as 31 mph.

    High: 66 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Northeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Friday
Mostly sunny, with a high near 54. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 40. South wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 29 mph.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 76. Southwest wind 6 to 11 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 48. West wind 7 to 11 mph, with gusts as high as 26 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 71. West wind 9 to 11 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 44. West wind 5 to 8 mph, with gusts as high as 22 mph.
Monday
A chance of showers after noon. Mostly sunny, with a high near 66. Southwest wind 6 to 13 mph, with gusts as high as 31 mph.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 37.
Tuesday
Showers likely. Partly sunny, with a high near 53.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 35.
Wednesday
A chance of showers. Mostly sunny, with a high near 61.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 37.
Thursday
A chance of rain and snow showers. Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Custer SD
 43.78°N 103.51°W (Elev. 5217 ft)
Last Update:
3:03 pm MDT Apr 9, 2026
Forecast Valid:
3pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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