National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Isaias to Impact the Eastern U.S. Early This Week

Tropical Storm Isaias will deliver heavy rainfall, flash and urban flooding, high winds, dangerous storm surge, coastal flooding, life-threatening surf, rip currents, and severe thunderstorms with tornadoes to portions of the Eastern U.S. through early this week. Isaias is expected to track from just offshore of northeastern Florida toward coastal South and North Carolina on Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Partly Cloudy

51°F

11°C

Humidity 80%
Wind Speed Calm
Barometer 30.25 in (1019.0 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 3 Aug 3:53 am MDT
Extended Forecast for

5 Miles WSW Custer County Airport SD

  • Today

    Today: Sunny, with a high near 77. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    Sunny

    High: 77 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight. Mostly cloudy, with a low around 57. Southeast wind 5 to 7 mph becoming calm after midnight.

    Chance
    T-storms

    Low: 57 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after noon. Partly sunny, with a high near 79. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 60%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Light northeast wind.

    Chance
    T-storms then
    Mostly Clear

    Low: 55 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Calm wind.

    Mostly Sunny
    then Chance
    T-storms

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 55. Calm wind.

    Mostly Clear

    Low: 55 °F

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 81.

    Sunny then
    Slight Chance
    T-storms

    High: 81 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 59.

    Partly Cloudy

    Low: 59 °F

  • Friday

    Friday: Sunny, with a high near 87.

    Sunny

    High: 87 °F

Detailed Forecast

Today
Sunny, with a high near 77. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight. Mostly cloudy, with a low around 57. Southeast wind 5 to 7 mph becoming calm after midnight.
Tuesday
Showers and thunderstorms likely, mainly after noon. Partly sunny, with a high near 79. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Light northeast wind.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Calm wind.
Wednesday Night
Mostly clear, with a low around 55. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 84.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
5 Miles WSW Custer County Airport SD
 43.71°N 103.72°W (Elev. 5535 ft)
Last Update:
2:30 am MDT Aug 3, 2020
Forecast Valid:
4am MDT Aug 3, 2020-6pm MDT Aug 9, 2020
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation