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.

Fair

24°F

-4°C

Humidity 81%
Wind Speed NW 9 G 18 mph
Barometer 30.00 in (1019.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 18 Apr 3:53 am MDT
Extended Forecast for

4 Miles SSW Hill City SD

  • Today

    Today: Isolated snow showers.  Mostly sunny, with a high near 44. Wind chill values as low as 16. Northwest wind 7 to 16 mph, with gusts as high as 31 mph.  Chance of precipitation is 20%.

    High: 44 °F

    Isolated Snow
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 25. Northwest wind 6 to 11 mph becoming light west  in the evening. Winds could gust as high as 29 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 57 °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 72. West wind 5 to 7 mph, with gusts as high as 22 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Northwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 23 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Southwest wind around 7 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon.  Mostly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Isolated snow showers. Mostly sunny, with a high near 44. Wind chill values as low as 16. Northwest wind 7 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 25. Northwest wind 6 to 11 mph becoming light west in the evening. Winds could gust as high as 29 mph.
Sunday
Sunny, with a high near 57. 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 calm. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 72. West wind 5 to 7 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 42. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 77. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 50. Southwest wind around 7 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers after noon. Mostly sunny, with a high near 75.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 41.
Thursday
Rain and snow showers likely. Mostly sunny, with a high near 55.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25.
Friday
A chance of snow showers. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Hill City SD
 43.87°N 103.58°W (Elev. 5650 ft)
1:06 am MDT Apr 18, 2026
4am MDT Apr 18, 2026-6pm MDT Apr 24, 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