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 Calm
Barometer 30.13 in (1021.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 18 Apr 10:53 pm MDT
Extended Forecast for

6 Miles NW Hill City SD

  • Tonight

    Tonight: Partly cloudy, with a low around 23. West wind around 5 mph becoming calm  after midnight. Winds could gust as high as 16 mph.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. Southeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 69. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Northwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Southwest wind 5 to 7 mph, with gusts as high as 21 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. Light and variable wind becoming southwest around 6 mph after midnight. Winds could gust as high as 16 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 73. Southwest wind 6 to 10 mph, with gusts as high as 31 mph.

    High: 73 °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 38.

    Low: 38 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. West wind around 5 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Sunday
Sunny, with a high near 55. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 31. Southeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 69. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 41. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 75. Southwest wind 5 to 7 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 51. Light and variable wind becoming southwest around 6 mph after midnight. Winds could gust as high as 16 mph.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 73. Southwest wind 6 to 10 mph, with gusts as high as 31 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 38.
Thursday
Rain showers likely before 7am, then rain and snow showers likely between 7am and 1pm, then snow showers likely after 1pm. Partly sunny, with a high near 44.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 23.
Friday
A chance of snow showers. Mostly sunny, with a high near 41.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 22.
Saturday
A chance of snow showers. Mostly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Hill City SD
 43.99°N 103.65°W (Elev. 5823 ft)
10:22 pm MDT Apr 18, 2026
11pm 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