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

Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

42°F

6°C

Humidity 58%
Wind Speed N 6 mph
Barometer 30.19 in (1017.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 8 Oct 2:53 am MDT
Extended Forecast for

3 Miles NNE Custer State Park SD

Fire Weather Watch October 9, 11:00am until October 9, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Overnight

    Overnight: Partly cloudy, with a low around 46. Northwest wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Calm wind becoming west 5 to 8 mph after midnight. Winds could gust as high as 17 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Southwest wind 9 to 14 mph, with gusts as high as 29 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Southwest wind 9 to 15 mph, with gusts as high as 32 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. West wind 7 to 15 mph, with gusts as high as 31 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain before noon. Mostly cloudy, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 74. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Mostly clear, with a low around 52. Calm wind becoming west 5 to 8 mph after midnight. Winds could gust as high as 17 mph.
Friday
Sunny, with a high near 83. Southwest wind 9 to 14 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 64. Southwest wind 9 to 15 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 81. West wind 7 to 15 mph, with gusts as high as 31 mph.
Saturday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 49.
Sunday
A slight chance of rain before noon. Mostly cloudy, with a high near 56.
Sunday Night
Rain, mainly after midnight. Mostly cloudy, with a low around 37.
Columbus Day
Rain likely, mainly before noon. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain. Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 43.
Wednesday
A chance of rain. Mostly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Custer State Park SD
 43.77°N 103.39°W (Elev. 4593 ft)
Last Update:
2:56 am MDT Oct 8, 2026
Forecast Valid:
3am MDT Oct 8, 2026-6pm MDT Oct 14, 2026
 
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