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.

Overcast

52°F

11°C

Humidity 97%
Wind Speed NE 13 mph
Barometer 30.16 in (1015.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 15 Jul 11:53 pm MDT
Extended Forecast for

3 Miles NNE Custer State Park SD

  • Overnight

    Overnight: Drizzle and possibly a thunderstorm before 1am, then showers and possibly a thunderstorm between 1am and 3am, then drizzle and possibly a thunderstorm after 3am.  Areas of fog. Low around 52. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Low: 52 °F

    Showers and
    Areas Fog

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  Areas of smoke before 9am. Areas of fog. High near 56. Northeast wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    High: 56 °F

    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Areas of fog before midnight.  Otherwise, cloudy, with a low around 47. Northeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 47 °F

    Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 73. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 73 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. West wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. Northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 60 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 80. North wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °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 61.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Drizzle and possibly a thunderstorm before 1am, then showers and possibly a thunderstorm between 1am and 3am, then drizzle and possibly a thunderstorm after 3am. Areas of fog. Low around 52. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Areas of smoke before 9am. Areas of fog. High near 56. Northeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms. Areas of fog before midnight. Otherwise, cloudy, with a low around 47. Northeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 73. South wind 5 to 10 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 59. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. West wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 20 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 80. North wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 62.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 87.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 62.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Custer State Park SD
 43.77°N 103.39°W (Elev. 4593 ft)
11:10 pm MDT Jul 15, 2025
12am MDT Jul 16, 2025-6pm MDT Jul 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

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