Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

60°F

16°C

Humidity 28%
Wind Speed W 16 G 25 mph
Barometer 29.76 in (1003.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 12 Apr 12:53 pm MDT
Extended Forecast for

10 Miles W Custer County Airport SD

Red Flag Warning April 12, 01:01pm until April 13, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 12, 01:01pm until April 13, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 41. West wind 5 to 9 mph becoming north in the evening. Winds could gust as high as 21 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 60. Breezy, with a west wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 60 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. West wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 56. Northwest wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. West wind around 6 mph becoming light and variable  after midnight.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. Southwest wind 5 to 13 mph, with gusts as high as 26 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. West wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 66. West wind around 11 mph, with gusts as high as 26 mph.
Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 41. West wind 5 to 9 mph becoming north in the evening. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 60. Breezy, with a west wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.
Monday Night
Partly cloudy, with a low around 38. West wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 56. Northwest wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 36. West wind around 6 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 62. Southwest wind 5 to 13 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 43. West wind 9 to 13 mph, with gusts as high as 25 mph.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 62.
Thursday Night
Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then a chance of snow showers after midnight. Mostly cloudy, with a low around 26.
Friday
Snow showers likely. Mostly cloudy, with a high near 35.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 19.
Saturday
A chance of snow showers. Mostly sunny, with a high near 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Custer County Airport SD
 43.75°N 103.81°W (Elev. 6001 ft)
12:32 pm MDT Apr 12, 2026
1pm 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