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

46°F

8°C

Humidity 38%
Wind Speed NE 12 G 17 mph
Barometer 30.03 in (1017.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 9 Apr 12:53 pm MDT
Extended Forecast for

10 Miles W Custer County Airport SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. West wind 9 to 11 mph becoming northeast. Winds could gust as high as 23 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northeast wind 6 to 11 mph becoming light. Winds could gust as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. Southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. Southeast wind 8 to 18 mph becoming west after midnight. Winds could gust as high as 30 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 71. Southwest wind 7 to 17 mph, with gusts as high as 26 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 10 to 15 mph, with gusts as high as 26 mph.

    Low: 44 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Sunny, with a high near 66. West wind 14 to 16 mph, with gusts as high as 31 mph.

    High: 66 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 43. West wind 7 to 13 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers after noon. Mostly sunny, with a high near 61.

    High: 61 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. West wind 9 to 11 mph becoming northeast. Winds could gust as high as 23 mph.
Tonight
Mostly clear, with a low around 28. Northeast wind 6 to 11 mph becoming light. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 51. Southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 39. Southeast wind 8 to 18 mph becoming west after midnight. Winds could gust as high as 30 mph.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 71. Southwest wind 7 to 17 mph, with gusts as high as 26 mph.
Saturday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 44. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 66. West wind 14 to 16 mph, with gusts as high as 31 mph.
Sunday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 43. West wind 7 to 13 mph, with gusts as high as 26 mph.
Monday
A chance of showers after noon. Mostly sunny, with a high near 61.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 36.
Tuesday
Showers likely. Partly sunny, with a high near 50.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 34.
Wednesday
A chance of showers. Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Custer County Airport SD
 43.75°N 103.81°W (Elev. 6001 ft)
Last Update:
12:36 pm MDT Apr 9, 2026
Forecast Valid:
1pm MDT Apr 9, 2026-6pm MDT Apr 15, 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