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

62°F

17°C

Humidity 17%
Wind Speed Vrbl 3 mph
Barometer 29.72 in (1002.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 12 Apr 6:53 pm MDT
Extended Forecast for

10 Miles NE Edgemont SD

Red Flag Warning April 12, 07:36pm until April 13, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 12, 07:36pm until April 13, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • Tonight

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. Breezy, with a west wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 69 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. Breezy, with a northwest wind 19 to 24 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 36 mph.

    Low: 40 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 63. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 63 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Southwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 15 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. West wind 6 to 15 mph, with gusts as high as 29 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. West wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after noon.  Mostly sunny, with a high near 71. Breezy, with a west wind 11 to 21 mph, with gusts as high as 36 mph.

    High: 71 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 43. West wind 6 to 9 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 69. Breezy, with a west wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 40 mph.
Monday Night
Partly cloudy, with a low around 40. Breezy, with a northwest wind 19 to 24 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 36 mph.
Tuesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 63. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 38. Southwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 15 mph.
Wednesday
Mostly sunny, with a high near 69. West wind 6 to 15 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 45. West wind 11 to 16 mph, with gusts as high as 28 mph.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 71. Breezy, with a west wind 11 to 21 mph, with gusts as high as 36 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 42. Breezy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 23.
Saturday
A chance of snow showers. Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Sunny, with a high near 61.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Edgemont SD
 43.41°N 103.69°W (Elev. 4432 ft)
5:42 pm MDT Apr 12, 2026
7pm 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