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

33°F

1°C

Humidity 49%
Wind Speed SW 5 mph
Barometer 30.13 in (1021.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 19 Apr 12:53 am MDT
Extended Forecast for

Hill City SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56. Light and variable wind becoming east 5 to 10 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 33. Southeast wind around 6 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Northwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. Light southwest wind. Winds could gust as high as 15 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 31 mph.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 30. Calm wind.
Sunday
Sunny, with a high near 56. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 33. Southeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 73. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 43. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 53. Light southwest wind. Winds could gust as high as 15 mph.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 31 mph.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 40.
Thursday
A chance of rain showers before 9am, then rain and snow showers likely. Partly sunny, with a high near 49.
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 46.
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 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.59°W (Elev. 5200 ft)
12:31 am MDT Apr 19, 2026
1am MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
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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