Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fog/Mist

54°F

12°C

Humidity 97%
Wind Speed NE 16 G 24 mph
Barometer 30.12 in (1014.6 mb)
Dewpoint 53°F (12°C)
Visibility 5.00 mi
Wind Chill50°F (10°C)
Last update 15 Jul 8:53 pm MDT
Extended Forecast for

6 Miles SE Hot Springs SD

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am.  Patchy fog.  Otherwise, cloudy, with a low around 55. Breezy, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph.  Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 10am, then a chance of showers and thunderstorms after 10am.  Areas of smoke before noon. Patchy fog.  Otherwise, cloudy, with a high near 63. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 9pm.  Patchy fog before midnight.  Otherwise, cloudy, with a low around 50. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    Low: 50 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    Showers

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 84. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91. Southwest wind 5 to 15 mph becoming northeast in the morning. Winds could gust as high as 25 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 62. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 87. North wind 5 to 15 mph becoming east in the morning. Winds could gust as high as 25 mph.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog. Otherwise, cloudy, with a low around 55. Breezy, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 10am, then a chance of showers and thunderstorms after 10am. Areas of smoke before noon. Patchy fog. Otherwise, cloudy, with a high near 63. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 9pm. Patchy fog before midnight. Otherwise, cloudy, with a low around 50. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 84. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 91. Southwest wind 5 to 15 mph becoming northeast in the morning. Winds could gust as high as 25 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 62. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 87. North wind 5 to 15 mph becoming east in the morning. Winds could gust as high as 25 mph.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Hot Springs SD
 43.38°N 103.39°W (Elev. 3182 ft)
9:09 pm MDT Jul 15, 2025
9pm MDT Jul 15, 2025-6pm MDT Jul 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database