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 Thursday 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

32°F

0°C

Humidity 59%
Wind Speed Calm
Barometer 29.96 in (1015.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 9 Apr 7:53 am MDT
Extended Forecast for

10 Miles W Custer County Airport SD

  • Today

    Today: Mostly sunny, with a high near 54. South wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northeast wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 22 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 51. Southeast wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 51 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. Southeast wind 8 to 18 mph, with gusts as high as 36 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 70. Southwest wind 7 to 14 mph, with gusts as high as 28 mph.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Sunny, with a high near 65. West wind 13 to 17 mph, with gusts as high as 32 mph.

    High: 65 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before midnight.  Mostly cloudy, with a low around 42. West wind 7 to 13 mph, with gusts as high as 28 mph.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after noon.  Mostly sunny, with a high near 57.

    High: 57 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 54. South wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Tonight
Mostly clear, with a low around 28. Northeast wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 22 mph.
Friday
Partly sunny, with a high near 51. Southeast wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
Mostly cloudy, with a low around 39. Southeast wind 8 to 18 mph, with gusts as high as 36 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 70. Southwest wind 7 to 14 mph, with gusts as high as 28 mph.
Saturday Night
A 40 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 65. West wind 13 to 17 mph, with gusts as high as 32 mph.
Sunday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 42. West wind 7 to 13 mph, with gusts as high as 28 mph.
Monday
Showers likely, mainly after noon. Mostly sunny, with a high near 57.
Monday Night
Rain showers likely before midnight, then rain and snow showers likely. Mostly cloudy, with a low around 32.
Tuesday
Rain and snow showers likely. Mostly cloudy, with a high near 43.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Wednesday
A slight chance of showers. Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Custer County Airport SD
 43.75°N 103.81°W (Elev. 6001 ft)
7:32 am MDT Apr 9, 2026
8am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
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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