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 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.

A Few Clouds

28°F

-2°C

Humidity 60%
Wind Speed Calm
Barometer 29.97 in (1015.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 9 Apr 5:53 am MDT
Extended Forecast for

5 Miles WSW Mount Rushmore SD

  • Today

    Today: Mostly sunny, with a high near 48. South wind 7 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Northeast wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 25 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 49. Wind chill values as low as 19 early. South wind 6 to 16 mph, with gusts as high as 34 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. South wind 14 to 17 mph becoming southwest after midnight. Winds could gust as high as 34 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Partly sunny, with a high near 70. Southwest wind 11 to 14 mph, with gusts as high as 28 mph.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before midnight. Partly cloudy, with a low around 43. Southwest wind 11 to 17 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Sunny, with a high near 64. West wind 11 to 18 mph, with gusts as high as 33 mph.

    High: 64 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before midnight. Partly cloudy, with a low around 40. West wind 9 to 11 mph, with gusts as high as 28 mph.

    Low: 40 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after noon. Partly sunny, with a high near 54.

    High: 54 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 48. South wind 7 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 25. Northeast wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 25 mph.
Friday
Partly sunny, with a high near 49. Wind chill values as low as 19 early. South wind 6 to 16 mph, with gusts as high as 34 mph.
Friday Night
Mostly cloudy, with a low around 38. South wind 14 to 17 mph becoming southwest after midnight. Winds could gust as high as 34 mph.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 70. Southwest wind 11 to 14 mph, with gusts as high as 28 mph.
Saturday Night
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 43. Southwest wind 11 to 17 mph, with gusts as high as 30 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 64. West wind 11 to 18 mph, with gusts as high as 33 mph.
Sunday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 40. West wind 9 to 11 mph, with gusts as high as 28 mph.
Monday
Showers likely, mainly after noon. Partly sunny, with a high near 54.
Monday Night
Rain showers likely before midnight, then rain and snow showers likely. Mostly cloudy, with a low around 29.
Tuesday
Rain and snow showers likely. Mostly cloudy, with a high near 40.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Mount Rushmore SD
 43.85°N 103.55°W (Elev. 6490 ft)
Last Update:
4:37 am MDT Apr 9, 2026
Forecast Valid:
6am 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