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.

Mostly Cloudy and Breezy

37°F

3°C

Humidity 44%
Wind Speed W 21 G 32 mph
Barometer 30.11 in (1022.1 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 18 Apr 1:53 pm MDT
Extended Forecast for

Hill City SD

  • This Afternoon

    This Afternoon: A 30 percent chance of snow showers. Mostly sunny, with a high near 45. Northwest wind around 11 mph, with gusts as high as 34 mph.

    High: 45 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 30 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 72. Light and variable wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 22 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. Southwest wind around 5 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 after noon. Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of snow showers. Mostly sunny, with a high near 45. Northwest wind around 11 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 29. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 57. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 36. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 72. Light and variable wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 44. Light and variable wind. Winds could gust as high as 16 mph.
Tuesday
Sunny, with a high near 77. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Wednesday
A chance of showers after noon. Partly sunny, with a high near 77.
Wednesday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 42.
Thursday
Rain and snow showers likely. Partly sunny, with a high near 50.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 24.
Friday
A chance of snow showers. Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.56°W (Elev. 5161 ft)
Last Update:
12:31 pm MDT Apr 18, 2026
Forecast Valid:
2pm MDT Apr 18, 2026-6pm MDT Apr 24, 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