Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

57°F

14°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 30.19 in (1017.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 29 Aug 8:53 pm MDT
Extended Forecast for

8 Miles SSW Rochford SD

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after midnight.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon.  Patchy fog before 9am.  Otherwise, cloudy, with a high near 59. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 43. North wind around 5 mph becoming calm.  Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 64. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 30%.

    High: 64 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. North wind around 5 mph becoming calm  in the evening.

    Low: 44 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 68. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Northwest wind around 5 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 68. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Saturday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Patchy fog before 9am. Otherwise, cloudy, with a high near 59. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. North wind around 5 mph becoming calm. Chance of precipitation is 40%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 44. North wind around 5 mph becoming calm in the evening.
Labor Day
Sunny, with a high near 68. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 45. Northwest wind around 5 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 68. North wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Wednesday
A slight chance of showers before noon. Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 41.
Friday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Rochford SD
 44.03°N 103.8°W (Elev. 6014 ft)
8:49 pm MDT Aug 29, 2025
9pm MDT Aug 29, 2025-6pm MDT Sep 5, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database