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

2 Miles WNW Custer SD

  • Tonight

    Tonight: Definite drizzle before midnight, then showers and possibly a thunderstorm between midnight and 2am, then drizzle and possibly a thunderstorm after 2am.  Areas of fog. Low around 48. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    Low: 48 °F

    Drizzle and
    Areas Fog
    then 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 fog. High near 53. East wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    High: 53 °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 43. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 69. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 69 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 54. Southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 54 °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 80. West wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 80 °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 55. East wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph.

    Low: 55 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 75. North wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °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 57.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Definite drizzle before midnight, then showers and possibly a thunderstorm between midnight and 2am, then drizzle and possibly a thunderstorm after 2am. Areas of fog. Low around 48. Northeast wind 5 to 10 mph, with gusts as high as 25 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 fog. High near 53. East wind 5 to 10 mph, with gusts as high as 20 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 43. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 69. 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 54. 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 80. West wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 75. 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 57.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 57.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 82.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 57.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Custer SD
 43.78°N 103.63°W (Elev. 5600 ft)
8:10 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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