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Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Light Snow

34°F

1°C

Humidity 50%
Wind Speed NW 13 G 30 mph
Barometer 30.11 in (1022.5 mb)
Dewpoint 17°F (-8°C)
Visibility 9.00 mi
Wind Chill25°F (-4°C)
Last update 18 Apr 11:53 am MDT
Extended Forecast for

10 Miles NE Edgemont SD

Red Flag Warning until April 18, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until April 18, 08:00pm

    NOW until 8:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 52 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 29. Blustery, with a northwest wind 17 to 22 mph becoming light west. Winds could gust as high as 38 mph.

    Low: 29 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Northwest wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 21 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. East wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 17 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. West wind 6 to 15 mph, with gusts as high as 28 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 18 mph.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A slight chance of snow showers before 4pm, then a slight chance of rain showers. Mostly sunny, with a high near 52. Breezy, with a northwest wind 22 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 29. Blustery, with a northwest wind 17 to 22 mph becoming light west. Winds could gust as high as 38 mph.
Sunday
Sunny, with a high near 62. Northwest wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 35. East wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 77. West wind 6 to 15 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 44. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 82. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 18 mph.
Wednesday
A slight chance of showers after noon. Partly sunny, with a high near 82. Breezy.
Wednesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 46. Breezy.
Thursday
A chance of rain and snow showers. Mostly sunny, with a high near 57. Windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Windy.
Friday
A slight chance of snow showers. Mostly sunny, with a high near 49. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Edgemont SD
 43.41°N 103.69°W (Elev. 4432 ft)
Last Update:
12:31 pm MDT Apr 18, 2026
Forecast Valid:
12pm MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation