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

47°F

8°C

Humidity 20%
Wind Speed W 20 G 39 mph
Barometer 29.95 in (1012.8 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 8 Apr 1:53 pm MDT
Extended Forecast for

3 Miles NNE Keystone SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 52. Northwest wind 10 to 13 mph, with gusts as high as 34 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Northwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 25 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Calm wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 23 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Northeast wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 33 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. South wind around 11 mph, with gusts as high as 32 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 76. Southwest wind 8 to 10 mph, with gusts as high as 28 mph.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before midnight.  Mostly cloudy, with a low around 50. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, mainly after noon.  Mostly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 52. Northwest wind 10 to 13 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 30. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 25 mph.
Thursday
Mostly sunny, with a high near 52. Calm wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
Mostly clear, with a low around 30. Northeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 54. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 33 mph.
Friday Night
Mostly cloudy, with a low around 44. South wind around 11 mph, with gusts as high as 32 mph.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 76. Southwest wind 8 to 10 mph, with gusts as high as 28 mph.
Saturday Night
A chance of showers before midnight. Mostly cloudy, with a low around 50. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 25 mph.
Sunday
A chance of showers, mainly after noon. Mostly sunny, with a high near 70.
Sunday Night
A chance of showers. Partly cloudy, with a low around 43.
Monday
Showers likely. Partly sunny, with a high near 57.
Monday Night
Rain and snow showers likely. Mostly cloudy, with a low around 31.
Tuesday
Rain and snow showers likely. Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Keystone SD
 43.92°N 103.41°W (Elev. 4708 ft)
12:32 pm MDT Apr 8, 2026
2pm MDT Apr 8, 2026-6pm MDT Apr 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