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

50°F

10°C

Humidity 52%
Wind Speed W 15 G 24 mph
Barometer 29.71 in (1000.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 11 Apr 11:53 pm MDT
Extended Forecast for

5 Miles WSW Hill City SD

Red Flag Warning April 12, 12:54am until April 12, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 12, 12:54am until April 12, 09:00pm

    NOW until 9:00pm Sun

    Red Flag Warning

  • Overnight

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. West wind 6 to 8 mph, with gusts as high as 25 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 41. Southwest wind 3 to 6 mph. Winds could gust as high as 20 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers after noon.  Sunny, with a high near 59. West wind 7 to 14 mph, with gusts as high as 37 mph.

    High: 59 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of rain showers, mixing with snow after 9pm, then gradually ending.  Partly cloudy, with a low around 36. West wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 30 mph.  Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow showers before 10am, then a chance of rain showers.  Partly sunny, with a high near 54. Calm wind becoming west around 6 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.

    High: 54 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight.  Partly cloudy, with a low around 36. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 8am, then a slight chance of rain showers.  Sunny, with a high near 59. Southwest wind 3 to 8 mph. Winds could gust as high as 26 mph.

    High: 59 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 41. West wind around 11 mph, with gusts as high as 36 mph.
Sunday
Sunny, with a high near 64. West wind 6 to 8 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 41. Southwest wind 3 to 6 mph. Winds could gust as high as 20 mph.
Monday
A 40 percent chance of showers after noon. Sunny, with a high near 59. West wind 7 to 14 mph, with gusts as high as 37 mph.
Monday Night
A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 36. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of rain and snow showers before 10am, then a chance of rain showers. Partly sunny, with a high near 54. Calm wind becoming west around 6 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 36. Light and variable wind. Winds could gust as high as 15 mph.
Wednesday
A slight chance of rain and snow showers before 8am, then a slight chance of rain showers. Sunny, with a high near 59. Southwest wind 3 to 8 mph. Winds could gust as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 58.
Thursday Night
Rain and snow showers. Mostly cloudy, with a low around 25.
Friday
Snow showers likely. Mostly cloudy, with a high near 35.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 20.
Saturday
A chance of snow showers. Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Hill City SD
 43.91°N 103.64°W (Elev. 6198 ft)
12:32 am MDT Apr 12, 2026
12am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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