Active Spring Like Pattern Across the Eastern Half of the Country

The second storm will track across central and eastern portion of the country this weekend. Heavy wintry precipitation will affect the northern Plains to the upper peninsula of Michigan. Severe thunderstorms are expected along and ahead of the cold front, where very large hail, damaging winds and a few tornadoes are possible from the mid-Mississippi and Ohio Valleys to southern Plains. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Overcast

40°F

4°C

Humidity 51%
Wind Speed NW 15 G 28 mph
Barometer 30.22 in (1025.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 4 Apr 1:53 pm MDT
Extended Forecast for

6 Miles NNW Keystone SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 48. Northwest wind 7 to 10 mph, with gusts as high as 30 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 22 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight.  Areas of fog after 9pm.  Otherwise, mostly cloudy, with a low around 26. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 26 °F

    Areas Fog
    then Slight
    Chance Snow
    and Areas Fog

  • Monday

    Monday: A 20 percent chance of snow.  Areas of fog before noon.  Otherwise, mostly cloudy, with a high near 40. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 40 °F

    Slight Chance
    Snow and
    Areas Fog

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Southeast wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 22 mph.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. South wind 5 to 7 mph, with gusts as high as 22 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. Southwest wind 5 to 8 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm.  Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. Northwest wind 7 to 10 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 29. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Sunday
Mostly sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of snow after midnight. Areas of fog after 9pm. Otherwise, mostly cloudy, with a low around 26. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Monday
A 20 percent chance of snow. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 40. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 25. Southeast wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 22 mph.
Tuesday
Mostly sunny, with a high near 67. South wind 5 to 7 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 35. Southwest wind 5 to 8 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
Wednesday
A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 56.
Wednesday Night
A chance of rain before 9pm, then a chance of snow. Mostly cloudy, with a low around 25.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 46.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 28.
Friday
A chance of rain and snow. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
12:32 pm MDT Apr 4, 2026
2pm MDT Apr 4, 2026-6pm MDT Apr 10, 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