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.

Fair

68°F

20°C

Humidity 21%
Wind Speed SW 14 G 22 mph
Barometer 29.82 in (1005.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 11 Apr 11:53 am MDT
Extended Forecast for

5 Miles NW Hill City SD

Red Flag Warning April 11, 12:53pm until April 12, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 11, 12:53pm until April 12, 09:00pm

    NOW until 9:00pm Sun

    Red Flag Warning

  • This Afternoon

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 43. West wind 7 to 10 mph, with gusts as high as 32 mph.  Chance of precipitation is 20%.

    Low: 43 °F

    Isolated
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. West wind 6 to 11 mph, with gusts as high as 28 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. West wind 5 to 8 mph becoming calm. Winds could gust as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 63. West wind 7 to 14 mph, with gusts as high as 34 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 37. West wind 5 to 9 mph becoming light. Winds could gust as high as 28 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow showers before 7am, then a chance of rain and snow showers between 7am and 9am, then a chance of rain showers after 9am.  Partly sunny, with a high near 53. Northwest wind 5 to 7 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.

    High: 53 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before midnight.  Partly cloudy, with a low around 36. North wind around 5 mph becoming calm. Winds could gust as high as 18 mph.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. West wind 7 to 10 mph, with gusts as high as 29 mph.
Tonight
Isolated showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. West wind 7 to 10 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 65. West wind 6 to 11 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 45. West wind 5 to 8 mph becoming calm. Winds could gust as high as 25 mph.
Monday
Sunny, with a high near 63. West wind 7 to 14 mph, with gusts as high as 34 mph.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 37. West wind 5 to 9 mph becoming light. Winds could gust as high as 28 mph.
Tuesday
A chance of snow showers before 7am, then a chance of rain and snow showers between 7am and 9am, then a chance of rain showers after 9am. Partly sunny, with a high near 53. Northwest wind 5 to 7 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers before midnight. Partly cloudy, with a low around 36. North wind around 5 mph becoming calm. Winds could gust as high as 18 mph.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 60.
Wednesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 39.
Thursday
A chance of showers. Mostly sunny, with a high near 59.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 24.
Friday
A chance of snow showers. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Hill City SD
 43.97°N 103.65°W (Elev. 5568 ft)
12:42 pm MDT Apr 11, 2026
12pm MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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