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

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

68°F

20°C

Humidity 28%
Wind Speed W 8 mph
Barometer 29.72 in (1000.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 May 8:53 am MDT
Extended Forecast for

5 Miles ESE Keystone SD

  • Today

    Today: Sunny, with a high near 82. Southwest wind 5 to 15 mph, with gusts as high as 21 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between midnight and 1am. Mostly clear, with a low around 44. Breezy, with a northwest wind 18 to 23 mph becoming northwest 11 to 16 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Breezy.
    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 69. West wind 7 to 13 mph becoming south in the afternoon.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Southeast wind around 6 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. West wind 6 to 10 mph becoming southeast in the morning. Winds could gust as high as 23 mph.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers. Partly cloudy, with a low around 48. Northwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 60. North wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 60 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. North wind around 7 mph, with gusts as high as 18 mph.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 56.

    High: 56 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 82. Southwest wind 5 to 15 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers and thunderstorms between midnight and 1am. Mostly clear, with a low around 44. Breezy, with a northwest wind 18 to 23 mph becoming northwest 11 to 16 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 69. West wind 7 to 13 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 51. Southeast wind around 6 mph becoming west after midnight. Winds could gust as high as 15 mph.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. West wind 6 to 10 mph becoming southeast in the morning. Winds could gust as high as 23 mph.
Sunday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Partly cloudy, with a low around 48. Northwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 60. North wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. North wind around 7 mph, with gusts as high as 18 mph.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 56.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 43.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 66.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Keystone SD
 43.88°N 103.34°W (Elev. 3999 ft)
Last Update:
7:52 am MDT May 17, 2024
Forecast Valid:
8am MDT May 17, 2024-6pm MDT May 23, 2024
 
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