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 >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

35°F

2°C

Humidity 46%
Wind Speed SW 5 mph
Barometer 30.13 in (1021.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 18 Apr 9:53 pm MDT
Extended Forecast for

4 Miles E Custer SD

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Light west wind.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Southeast wind 5 to 7 mph becoming calm. Winds could gust as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 74. West wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Northwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 21 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. Southwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 16 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 78. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 30 mph.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. Light west wind.
Sunday
Sunny, with a high near 58. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 34. Southeast wind 5 to 7 mph becoming calm. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 74. West wind 6 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 42. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 53. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 30 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 41.
Thursday
Rain showers likely before 4pm, then snow showers likely. Partly sunny, with a high near 51. Breezy.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 25.
Friday
A chance of snow showers. Mostly sunny, with a high near 47.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 24.
Saturday
A chance of snow showers. Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Custer SD
 43.78°N 103.51°W (Elev. 5217 ft)
10:22 pm MDT Apr 18, 2026
10pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database