Severe Thunderstorms in the Central Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains. Heavy rain will pose a flash flood threat across portions of the Mississippi Valley into the Tennessee and Ohio Valleys. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

65°F

18°C

Humidity 31%
Wind Speed Vrbl 3 G 20 mph
Barometer 30.06 in (1011.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 8 Jun 12:53 pm MDT
Extended Forecast for

Custer SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Southeast wind around 9 mph, with gusts as high as 23 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am.  Partly cloudy, with a low around 52. Southeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 23 mph.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 82. Southwest wind 6 to 15 mph, with gusts as high as 31 mph.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 50. West wind 5 to 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68. West wind 7 to 15 mph, with gusts as high as 33 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 41. West wind 6 to 13 mph becoming north in the evening. Winds could gust as high as 31 mph.  Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Southeast wind around 9 mph, with gusts as high as 23 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 52. Southeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 23 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. Southwest wind 6 to 15 mph, with gusts as high as 31 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. West wind 5 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 68. West wind 7 to 15 mph, with gusts as high as 33 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41. West wind 6 to 13 mph becoming north in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.76°N 103.6°W (Elev. 5417 ft)
12:37 pm MDT Jun 8, 2026
1pm MDT Jun 8, 2026-6pm MDT Jun 14, 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