Coastal Storm Impacting the Mid-Atlantic; Heavy Rain and Below Average Temperatures Over the Plains

A coastal storm will bring widespread rain, gusty winds, shallow coastal flooding, rip currents, large surf and possible areal flooding over the Mid-Atlantic region into Wednesday. Heavy rains and thunderstorms, some severe, persist across the Plains. Above average temperatures expected across much of the CONUS, except over the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

51°F

11°C

Humidity 89%
Wind Speed Calm
Barometer 30.30 in (1021.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 16 Sep 8:53 pm MDT
Extended Forecast for

5 Miles WSW Custer County Airport SD

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 4am.  Mostly cloudy, with a low around 51. North wind around 5 mph.  Chance of precipitation is 60%.

    Low: 51 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after noon.  High near 59. North wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 59 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Patchy fog.  Otherwise, cloudy, with a low around 47. North wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 62. North wind around 5 mph, with gusts as high as 15 mph.  Chance of precipitation is 40%.

    High: 62 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. South wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely after 4am. Mostly cloudy, with a low around 51. North wind around 5 mph. Chance of precipitation is 60%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after noon. High near 59. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm. Patchy fog. Otherwise, cloudy, with a low around 47. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
A chance of showers, with thunderstorms also possible after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. North wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 44. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 47. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Custer County Airport SD
 43.71°N 103.72°W (Elev. 5535 ft)
8:52 pm MDT Sep 16, 2025
9pm MDT Sep 16, 2025-6pm MDT Sep 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

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