National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Continues in South Florida, Southern Rockies, and the Northern Plains

A stationary front will continue to bring heavy to excessive rainfall to South Florida into Saturday with localized and urban flooding possible. Heavy to excessive rainfall is forecast through Saturday over the southern Rockies into the northern Plains. Instances of flash flooding are possible, especially in higher terrain and burn scars. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

60°F

16°C

Humidity 75%
Wind Speed Vrbl 3 mph
Barometer 30.07 in (1013.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 13 Sep 8:53 am MDT
Extended Forecast for

3 Miles SSE Custer County Airport SD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 75. Southwest wind around 5 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 51. North wind around 5 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 64. Northwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. West wind around 5 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 77. West wind around 5 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. South wind around 5 mph becoming northwest after midnight.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Northwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

    High: 70 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 46. Northwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 46 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 75. Southwest wind around 5 mph.
Tonight
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 51. North wind around 5 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 64. Northwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. West wind around 5 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 77. West wind around 5 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. South wind around 5 mph becoming northwest after midnight.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Northwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 46. Northwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Custer County Airport SD
 43.69°N 103.6°W (Elev. 5400 ft)
Last Update:
9:32 am MDT Sep 13, 2025
Forecast Valid:
9am MDT Sep 13, 2025-6pm MDT Sep 19, 2025
 
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