Tropical System Impacts for the East; Severe Weather and Heavy Rainfall Threats

Heavy rain and dangerous surf conditions up the East Coast are forecast as tropical storm conditions approach late this week and into the weekend. Meanwhile, strong to severe thunderstorms are expected to impact portions of the central U.S. including heavy to excessive rainfall through Saturday. For the Intermountain region, below normal temperatures and some snow for the higher terrain. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fog

50°F

10°C

Humidity 93%
Wind Speed E 8 mph
Barometer 30.09 in (1013.5 mb)
Dewpoint 48°F (9°C)
Visibility 0.25 mi
Wind Chill47°F (8°C)
Last update 22 Sep 2:53 am MDT
Extended Forecast for

5 Miles NNW Custer SD

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Patchy fog.  Otherwise, cloudy, with a low around 48. Northeast wind around 9 mph, with gusts as high as 15 mph.

    Slight Chance
    T-storms and
    Patchy Fog

    Low: 48 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 1pm. Some of the storms could be severe.  Areas of fog before 1pm.  Otherwise, mostly cloudy, with a high near 59. East wind around 8 mph becoming southeast in the afternoon.  Chance of precipitation is 60%.

    Severe
    Thunderstorms
    and Areas Fog

    High: 59 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could be severe.  Increasing clouds, with a low around 37. Southeast wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    Severe
    Thunderstorms
    then Showers
    Likely

    Low: 37 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Partly sunny, with a high near 56. Northwest wind 9 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 56 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 41. Northwest wind around 18 mph, with gusts as high as 29 mph.

    Partly Cloudy

    Low: 41 °F

  • Sunday

    Sunday: Sunny, with a high near 64. Northwest wind 13 to 18 mph, with gusts as high as 26 mph.

    Sunny

    High: 64 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 41.

    Mostly Clear

    Low: 41 °F

  • Monday

    Monday: Sunny, with a high near 69.

    Sunny

    High: 69 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 44.

    Mostly Clear

    Low: 44 °F

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 48. Northeast wind around 9 mph, with gusts as high as 15 mph.
Friday
Showers and thunderstorms likely, mainly before 1pm. Some of the storms could be severe. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 59. East wind around 8 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could be severe. Increasing clouds, with a low around 37. Southeast wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 56. Northwest wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind around 18 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 64. Northwest wind 13 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
5 Miles NNW Custer SD
 43.84°N 103.64°W (Elev. 5600 ft)
2:29 am MDT Sep 22, 2023
3am MDT Sep 22, 2023-6pm MDT Sep 28, 2023
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database