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

25°F

-4°C

Humidity 69%
Wind Speed NW 12 G 26 mph
Barometer 30.04 in (1020.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 18 Apr 6:53 am MDT
Extended Forecast for

4 Miles WNW Custer State Park SD

  • Today

    Today: Isolated snow showers.  Mostly sunny, with a high near 46. Wind chill values as low as 18 early. Breezy, with a northwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 20%.

    High: 46 °F

    Isolated Snow
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 27. West wind 12 to 17 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 29 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 21 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Southeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 74. West wind 8 to 10 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. North wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 17 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. West wind 5 to 9 mph becoming south in the morning. Winds could gust as high as 23 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. South wind 5 to 7 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon.  Mostly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Isolated snow showers. Mostly sunny, with a high near 46. Wind chill values as low as 18 early. Breezy, with a northwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 27. West wind 12 to 17 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 29 mph.
Sunday
Sunny, with a high near 58. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 38. Southeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 74. West wind 8 to 10 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 44. North wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 78. West wind 5 to 9 mph becoming south in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 52. South wind 5 to 7 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers after noon. Mostly sunny, with a high near 77.
Wednesday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 45.
Thursday
Rain and snow showers likely. Mostly sunny, with a high near 57. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28.
Friday
A chance of snow showers. Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Custer State Park SD
 43.74°N 103.48°W (Elev. 5600 ft)
6:57 am MDT Apr 18, 2026
7am 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