Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

34°F

1°C

Humidity 61%
Wind Speed Vrbl 6 mph
Barometer 30.24 in (1026.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 10 Apr 8:53 am MDT
Extended Forecast for

5 Miles WSW Mount Rushmore SD

  • Today

    Today: Mostly sunny, with a high near 50. South wind 8 to 14 mph, with gusts as high as 30 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South wind around 15 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 69. West wind 10 to 14 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 43. Southwest wind 11 to 18 mph, with gusts as high as 32 mph.

    Low: 43 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Sunny, with a high near 64. West wind 11 to 17 mph, with gusts as high as 31 mph.

    High: 64 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 42. West wind 7 to 11 mph, with gusts as high as 24 mph.

    Low: 42 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers after noon.  Mostly sunny, with a high near 60. Southwest wind 13 to 16 mph, with gusts as high as 33 mph.

    High: 60 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 35. Northwest wind 9 to 13 mph, with gusts as high as 26 mph.

    Low: 35 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Rain and snow showers, becoming all rain after 3pm. Some thunder is also possible.  Partly sunny, with a high near 49.

    High: 49 °F

    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 50. South wind 8 to 14 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 36. South wind around 15 mph, with gusts as high as 28 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 69. West wind 10 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 18 mph, with gusts as high as 32 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 64. West wind 11 to 17 mph, with gusts as high as 31 mph.
Sunday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 42. West wind 7 to 11 mph, with gusts as high as 24 mph.
Monday
A 50 percent chance of showers after noon. Mostly sunny, with a high near 60. Southwest wind 13 to 16 mph, with gusts as high as 33 mph.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 35. Northwest wind 9 to 13 mph, with gusts as high as 26 mph.
Tuesday
Rain and snow showers, becoming all rain after 3pm. Some thunder is also possible. Partly sunny, with a high near 49.
Tuesday Night
A chance of showers before midnight. Mostly cloudy, with a low around 33.
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 33.
Thursday
A chance of snow showers. Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Mount Rushmore SD
 43.85°N 103.55°W (Elev. 6490 ft)
8:37 am MDT Apr 10, 2026
9am MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
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Additional Resources

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