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.

Overcast

55°F

13°C

Humidity 40%
Wind Speed E 9 mph
Barometer 29.76 in (1003.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 12 Apr 8:53 pm MDT
Extended Forecast for

2 Miles SW Custer State Park SD

Red Flag Warning April 12, 09:38pm until April 13, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 12, 09:38pm until April 13, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • Tonight

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 66. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 66 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. West wind 12 to 17 mph becoming light. Winds could gust as high as 31 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 61. Northwest wind 5 to 7 mph becoming south in the morning. Winds could gust as high as 16 mph.

    High: 61 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. South wind around 6 mph becoming light and variable.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Southwest wind 6 to 9 mph, with gusts as high as 24 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. West wind 7 to 11 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after noon.  Mostly sunny, with a high near 68. Southwest wind 11 to 16 mph, with gusts as high as 34 mph.

    High: 68 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 47. Northwest wind 3 to 7 mph. Winds could gust as high as 16 mph.
Monday
Sunny, with a high near 66. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.
Monday Night
Partly cloudy, with a low around 42. West wind 12 to 17 mph becoming light. Winds could gust as high as 31 mph.
Tuesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 61. Northwest wind 5 to 7 mph becoming south in the morning. Winds could gust as high as 16 mph.
Tuesday Night
Partly cloudy, with a low around 41. South wind around 6 mph becoming light and variable.
Wednesday
Mostly sunny, with a high near 67. Southwest wind 6 to 9 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 47. West wind 7 to 11 mph, with gusts as high as 25 mph.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 68. Southwest wind 11 to 16 mph, with gusts as high as 34 mph.
Thursday Night
Rain showers likely before 9pm, then rain and snow showers likely between 9pm and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 31.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 39.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 24.
Saturday
A chance of snow showers. Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Sunny, with a high near 58.
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)
8:12 pm MDT Apr 12, 2026
9pm MDT Apr 12, 2026-6pm MDT Apr 19, 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