Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

A Few Clouds

34°F

1°C

Humidity 42%
Wind Speed W 15 G 28 mph
Barometer 29.94 in (1016.5 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 17 Apr 5:53 pm MDT
Extended Forecast for

6 Miles NNW Keystone SD

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Northwest wind 5 to 9 mph becoming light. Winds could gust as high as 32 mph.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49. Wind chill values as low as 17 early. Northwest wind 5 to 11 mph, with gusts as high as 32 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Northwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 29 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Southeast wind around 6 mph becoming calm. Winds could gust as high as 20 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75. West wind 5 to 7 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Northwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79. South wind 3 to 8 mph. Winds could gust as high as 24 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 22. Northwest wind 5 to 9 mph becoming light. Winds could gust as high as 32 mph.
Saturday
Mostly sunny, with a high near 49. Wind chill values as low as 17 early. Northwest wind 5 to 11 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 28. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 29 mph.
Sunday
Sunny, with a high near 61. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 36. Southeast wind around 6 mph becoming calm. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 75. West wind 5 to 7 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 42. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 79. South wind 3 to 8 mph. Winds could gust as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A chance of showers after noon. Mostly sunny, with a high near 80.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44.
Thursday
A chance of showers. Mostly sunny, with a high near 63.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31.
Friday
A chance of snow showers. Partly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
5:51 pm MDT Apr 17, 2026
6pm MDT Apr 17, 2026-6pm MDT Apr 24, 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