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

4 Miles WSW Mount Rushmore SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 46. Northeast wind around 9 mph, with gusts as high as 25 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Wind chill values as low as 20. Northeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 23 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 49. Wind chill values as low as 20 early. South wind 7 to 13 mph, with gusts as high as 30 mph.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. South wind around 14 mph becoming southwest after midnight. Winds could gust as high as 31 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 10 to 13 mph, with gusts as high as 28 mph.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 32 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Sunny, with a high near 66. West wind 9 to 15 mph, with gusts as high as 32 mph.

    High: 66 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 43. West wind 7 to 9 mph, with gusts as high as 24 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

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 46. Northeast wind around 9 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 27. Wind chill values as low as 20. Northeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 23 mph.
Friday
Mostly sunny, with a high near 49. Wind chill values as low as 20 early. South wind 7 to 13 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 39. South wind around 14 mph becoming southwest after midnight. Winds could gust as high as 31 mph.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 71. Southwest wind 10 to 13 mph, with gusts as high as 28 mph.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 32 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 66. West wind 9 to 15 mph, with gusts as high as 32 mph.
Sunday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 43. West wind 7 to 9 mph, with gusts as high as 24 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. Partly sunny, with a high near 49.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 34.
Wednesday
A chance of showers. Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
1:27 pm MDT Apr 9, 2026
1pm 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