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

Partly Cloudy

60°F

16°C

Humidity 31%
Wind Speed SW 9 mph
Barometer 29.72 in (1001.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 11 Apr 7:53 pm MDT
Extended Forecast for

2 Miles SW Custer State Park SD

Red Flag Warning April 11, 08:18pm until April 12, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 11, 08:18pm until April 12, 09:00pm

    NOW until 9:00pm Sun

    Red Flag Warning

  • Tonight

    Low: 48 °F

    Isolated
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. West wind 9 to 14 mph, with gusts as high as 30 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. West wind 5 to 10 mph becoming north in the evening. Winds could gust as high as 25 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 37 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Northwest wind 5 to 14 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers.  Mostly cloudy, with a high near 58. North wind around 7 mph, with gusts as high as 21 mph.

    High: 58 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before midnight.  Partly cloudy, with a low around 40. North wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 16 mph.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. West wind 7 to 13 mph, with gusts as high as 30 mph.

    High: 65 °F

    Sunny

Detailed Forecast

Tonight
Isolated showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Southwest wind 10 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 71. West wind 9 to 14 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 50. West wind 5 to 10 mph becoming north in the evening. Winds could gust as high as 25 mph.
Monday
Sunny, with a high near 69. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 37 mph.
Monday Night
Partly cloudy, with a low around 42. Northwest wind 5 to 14 mph, with gusts as high as 30 mph.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 58. North wind around 7 mph, with gusts as high as 21 mph.
Tuesday Night
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 40. North wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 16 mph.
Wednesday
Sunny, with a high near 65. West wind 7 to 13 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 64.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 32.
Friday
A chance of snow showers. Partly sunny, with a high near 42.
Friday Night
A chance of snow showers. Partly cloudy, with a low around 24.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Custer State Park SD
 43.7°N 103.45°W (Elev. 5056 ft)
5:37 pm MDT Apr 11, 2026
8pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database