Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

54°F

12°C

Humidity 75%
Wind Speed W 3 mph
Barometer 30.19 in (1015.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 14 Jul 4:53 am MDT
Extended Forecast for

4 Miles NW Hill City SD

  • Today

    Today: Isolated showers and thunderstorms after 2pm.  Sunny, with a high near 89. Southwest wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    High: 89 °F

    Sunny then
    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 59. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 40%.

    Low: 59 °F

    Scattered
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after noon.  Partly sunny, with a high near 71. Northwest wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    High: 71 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 49. Northeast wind around 5 mph becoming calm  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 56. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 15 mph.  Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Cloudy, with a low around 46. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.  Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 67. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 52. South wind around 5 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Isolated showers and thunderstorms after 2pm. Sunny, with a high near 89. Southwest wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 59. Calm wind becoming southwest around 5 mph. Chance of precipitation is 40%.
Tuesday
Showers and thunderstorms likely, mainly after noon. Partly sunny, with a high near 71. Northwest wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 49. Northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 56. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Cloudy, with a low around 46. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 67. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A slight chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 52. South wind around 5 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Sunday
A chance of showers and thunderstorms. Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Hill City SD
 43.97°N 103.62°W (Elev. 5469 ft)
3:29 am MDT Jul 14, 2025
5am MDT Jul 14, 2025-6pm MDT Jul 20, 2025
 
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Additional Resources

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Hourly Weather Forecast

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