National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

38°F

3°C

Humidity 41%
Wind Speed W 7 mph
Barometer 30.09 in (1020.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 18 Apr 7:53 pm MDT
Extended Forecast for

3 Miles NW Hill City SD

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 24 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Southeast wind around 6 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. West wind around 7 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Southwest wind 3 to 7 mph. Winds could gust as high as 23 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Southwest wind 3 to 6 mph. Winds could gust as high as 18 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon. Partly sunny, with a high near 75. Southwest wind 6 to 11 mph, with gusts as high as 33 mph.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Partly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 28. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 24 mph.
Sunday
Sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 36. Southeast wind around 6 mph becoming light and variable. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 70. West wind around 7 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 75. Southwest wind 3 to 7 mph. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 52. Southwest wind 3 to 6 mph. Winds could gust as high as 18 mph.
Wednesday
A chance of showers after noon. Partly sunny, with a high near 75. Southwest wind 6 to 11 mph, with gusts as high as 33 mph.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 41.
Thursday
A chance of rain showers before 9am, then rain and snow showers likely. Partly sunny, with a high near 48.
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 42.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 23.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Hill City SD
 43.95°N 103.62°W (Elev. 5617 ft)
Last Update:
6:56 pm MDT Apr 18, 2026
Forecast Valid:
8pm MDT Apr 18, 2026-6pm MDT Apr 25, 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