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

Heavy Rainfall in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday; and will begin to impact the central Plains today. Dry and gusty conditions will promote elevated to critical fire weather conditions in the Southeast. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

49°F

9°C

Humidity 21%
Wind Speed W 12 G 21 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 8 Apr 4:53 pm MDT
Extended Forecast for

3 Miles SSE Custer County Airport SD

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Northeast wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 23 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 53. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 30 mph.

    High: 53 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Southeast wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 30 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Partly sunny, with a high near 74. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 47. West wind around 8 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after noon. Mostly sunny, with a high near 68. West wind 9 to 16 mph, with gusts as high as 33 mph.

    High: 68 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Partly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.
Thursday
Mostly sunny, with a high near 55. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
Mostly clear, with a low around 28. Northeast wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 53. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 40. Southeast wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 30 mph.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 74. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 47. West wind around 8 mph, with gusts as high as 23 mph.
Sunday
A chance of showers after noon. Mostly sunny, with a high near 68. West wind 9 to 16 mph, with gusts as high as 33 mph.
Sunday Night
A chance of showers. Partly cloudy, with a low around 41.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58.
Monday Night
Rain and snow showers likely. Mostly cloudy, with a low around 30.
Tuesday
Snow showers likely. Mostly cloudy, with a high near 44.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 27.
Wednesday
A slight chance of showers. Sunny, with a high near 60.
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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:
3:22 pm MDT Apr 8, 2026
Forecast Valid:
5pm MDT Apr 8, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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