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 42%
Wind Speed E 12 G 23 mph
Barometer 30.09 in (1019.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 9 Apr 3:53 pm MDT
Extended Forecast for

5 Miles NNW Custer SD

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 29 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. South wind 6 to 10 mph, with gusts as high as 29 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 71. Southwest wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 44. Southwest wind 6 to 10 mph, with gusts as high as 28 mph.

    Low: 44 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Sunny, with a high near 67. West wind 8 to 11 mph, with gusts as high as 30 mph.

    High: 67 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 42. West wind 6 to 10 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers after noon. Mostly sunny, with a high near 62. Southwest wind 8 to 14 mph, with gusts as high as 31 mph.

    High: 62 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Northeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 51. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 38. South wind 6 to 10 mph, with gusts as high as 29 mph.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 71. Southwest wind 6 to 13 mph, with gusts as high as 25 mph.
Saturday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 44. Southwest wind 6 to 10 mph, with gusts as high as 28 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 67. West wind 8 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 42. West wind 6 to 10 mph, with gusts as high as 23 mph.
Monday
A chance of showers after noon. Mostly sunny, with a high near 62. Southwest wind 8 to 14 mph, with gusts as high as 31 mph.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 34.
Tuesday
Rain and snow showers likely before 9am, then rain showers. Partly sunny, with a high near 51.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 32.
Wednesday
A chance of showers. Mostly sunny, with a high near 58.
Wednesday Night
A chance of rain and snow showers. Partly cloudy, with a low around 34.
Thursday
A chance of rain and snow showers. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Custer SD
 43.84°N 103.64°W (Elev. 5600 ft)
Last Update:
3:03 pm MDT Apr 9, 2026
Forecast Valid:
4pm 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