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

43°F

6°C

Humidity 60%
Wind Speed W 15 G 25 mph
Barometer 29.67 in (999.8 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 12 Apr 3:53 am MDT
Extended Forecast for

5 Miles NW Hill City SD

Red Flag Warning April 12, 04:12am until April 12, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 12, 04:12am until April 12, 09:00pm

    NOW until 9:00pm Sun

    Red Flag Warning

  • Today

    High: 66 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 42. West wind 3 to 6 mph. Winds could gust as high as 21 mph.

    Low: 42 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers after noon.  Sunny, with a high near 60. West wind 7 to 13 mph, with gusts as high as 36 mph.

    High: 60 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 36. West wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 28 mph.

    Low: 36 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after noon.  Partly sunny, with a high near 56. Light and variable wind becoming west around 6 mph in the morning. Winds could gust as high as 18 mph.

    High: 56 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight.  Partly cloudy, with a low around 36. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers.  Sunny, with a high near 61. Southwest wind 5 to 8 mph, with gusts as high as 25 mph.

    High: 61 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. Southwest wind 6 to 8 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 66. West wind 6 to 8 mph, with gusts as high as 24 mph.
Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 42. West wind 3 to 6 mph. Winds could gust as high as 21 mph.
Monday
A 40 percent chance of showers after noon. Sunny, with a high near 60. West wind 7 to 13 mph, with gusts as high as 36 mph.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 36. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 28 mph.
Tuesday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 56. Light and variable wind becoming west around 6 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 36. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 15 mph.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 61. Southwest wind 5 to 8 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 42. Southwest wind 6 to 8 mph, with gusts as high as 25 mph.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 60.
Thursday Night
Rain and snow showers, becoming all snow after midnight. Mostly cloudy, with a low around 25.
Friday
Snow showers likely. Mostly cloudy, with a high near 36.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 21.
Saturday
A chance of snow showers. Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Hill City SD
 43.97°N 103.65°W (Elev. 5568 ft)
3:42 am MDT Apr 12, 2026
4am MDT Apr 12, 2026-6pm MDT Apr 18, 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