Severe Thunderstorms Possible for the Great Lakes into Ohio Valley; Heavy to Excessive Rainfall Over the Southern Plains

Severe thunderstorms will race along a cold front from the Upper Mississippi Valley into the Great Lakes and Ohio Valley with the main threat being damaging winds. The tail end of this front will possibly produce heavy to excessive rainfall across the southern Plains into the Lower Mississippi Valley through Saturday. Finally, Major-to-record river flooding continues across the Carolinas. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

41°F

5°C

Humidity 57%
Wind Speed SW 5 mph
Barometer 30.28 in (1024.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 21 Sep 7:53 am MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • Today

    Today: Sunny, with a high near 57. Northwest wind 5 to 14 mph becoming southeast in the morning. Winds could gust as high as 20 mph.

    Sunny

    High: 57 °F

  • Tonight

    Tonight: Clear, with a low around 45. Breezy, with a south wind 10 to 15 mph becoming southwest 16 to 21 mph after midnight. Winds could gust as high as 29 mph.

    Clear then
    Clear and
    Breezy

    Low: 45 °F

  • Saturday

    Saturday: Sunny, with a high near 73. West wind 6 to 9 mph.

    Sunny

    High: 73 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 51. Southwest wind 5 to 14 mph becoming southeast in the evening. Winds could gust as high as 20 mph.

    Mostly Clear

    Low: 51 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 73. West wind 10 to 13 mph.

    Mostly Sunny

    High: 73 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 45. South wind 9 to 13 mph becoming northwest in the evening. Winds could gust as high as 18 mph.

    Mostly Cloudy
    then Slight
    Chance
    Showers

    Low: 45 °F

  • Monday

    Monday: A 30 percent chance of showers.  Mostly cloudy, with a high near 55.

    Chance
    Showers

    High: 55 °F

  • Monday
    Night

    Monday Night: A chance of rain showers before 5am, then a slight chance of rain and snow showers.  Mostly cloudy, with a low around 36.

    Chance
    Showers then
    Slight Chance
    Rain/Snow

    Low: 36 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    Partly Sunny

    High: 54 °F

Detailed Forecast

Today
Sunny, with a high near 57. Northwest wind 5 to 14 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 45. Breezy, with a south wind 10 to 15 mph becoming southwest 16 to 21 mph after midnight. Winds could gust as high as 29 mph.
Saturday
Sunny, with a high near 73. West wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 51. Southwest wind 5 to 14 mph becoming southeast in the evening. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 73. West wind 10 to 13 mph.
Sunday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 45. South wind 9 to 13 mph becoming northwest in the evening. Winds could gust as high as 18 mph.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 55.
Monday Night
A chance of rain showers before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 56.
Click Map For Forecast
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.87°N 103.52°W (Elev. 6148 ft)
6:46 am MDT Sep 21, 2018
8am MDT Sep 21, 2018-6pm MDT Sep 27, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database