Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

25°F

-4°C

Humidity 78%
Wind Speed Calm
Barometer 30.21 in (1025.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 10 Apr 4:53 am MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Today

    Today: Mostly sunny, with a high near 48. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 69. West wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 69 °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 45. Breezy, with a west wind 14 to 23 mph, with gusts as high as 32 mph.

    Low: 45 °F

    Chance
    Showers then
    Mostly Clear
    and Breezy

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Sunny, with a high near 64. Breezy, with a west wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 64 °F

    Sunny and
    Breezy then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 44. West wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 44 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers after noon.  Mostly sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 32 mph.

    High: 60 °F

    Mostly Sunny
    and Breezy
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 37. Northwest wind 6 to 9 mph, with gusts as high as 26 mph.

    Low: 37 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after noon.  Partly sunny, with a high near 49.

    High: 49 °F

    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 48. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, with a low around 39. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 30 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 69. West wind 13 to 17 mph, with gusts as high as 28 mph.
Saturday Night
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 45. Breezy, with a west wind 14 to 23 mph, with gusts as high as 32 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 64. Breezy, with a west wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 44. West wind 8 to 14 mph, with gusts as high as 23 mph.
Monday
A 50 percent chance of showers after noon. Mostly sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 32 mph.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 37. Northwest wind 6 to 9 mph, with gusts as high as 26 mph.
Tuesday
Showers likely, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 49.
Tuesday Night
A chance of showers before midnight. Mostly cloudy, with a low around 35.
Wednesday
A slight chance of showers. Sunny, with a high near 57.
Wednesday Night
A chance of rain and snow showers. Partly cloudy, with a low around 35.
Thursday
A chance of rain and snow showers. Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.87°N 103.52°W (Elev. 6148 ft)
3:52 am MDT Apr 10, 2026
5am MDT Apr 10, 2026-6pm MDT Apr 16, 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