
Hurricane Isaias to Approach the Northern Gulf Coast on Friday
Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >
Hazardous Weather Conditions
Current conditions at
Custer, Custer County Airport (KCUT)
Lat: 43.73°NLon: 103.62°WElev: 5600ft.
Fair
64°F
18°C
| Humidity | 29% |
| Wind Speed | NE 3 mph |
| Barometer | 30.16 in (1016.7 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 9:53 am MDT |
Extended Forecast for
6 Miles NNW Keystone SD
Fire Weather Watch October 9, 11:00am until October 9, 08:00pm
Today

High: 76 °F
Sunny
Tonight

Low: 51 °F
Mostly Clear
Friday

High: 83 °F
Sunny
Friday Night

Low: 60 °F
Mostly Clear
Saturday

High: 81 °F
Sunny
Saturday Night
Low: 45 °F
Chance
Showers then
Mostly CloudySunday

High: 56 °F
Slight Chance
RainSunday Night

Low: 34 °F
Rain
Columbus Day
High: 51 °F
Rain/Snow
Likely then
Chance Rain
Detailed Forecast
Today
Sunny, with a high near 76. Light and variable wind. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 51. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 16 mph.
Friday
Sunny, with a high near 83. Southwest wind 5 to 11 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 60. Southwest wind around 7 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 81. West wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 45. Calm wind becoming north around 5 mph. Winds could gust as high as 21 mph.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 56.
Sunday Night
Rain, mainly after midnight. Mostly cloudy, with a low around 34.
Columbus Day
Rain likely before 9am, then rain and snow likely between 9am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 51.
Monday Night
A chance of rain before midnight. Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 41.
Wednesday
A chance of rain. Mostly sunny, with a high near 61.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles NNW Keystone SD
43.98°N 103.47°W (Elev. 4800 ft)
43.98°N 103.47°W (Elev. 4800 ft)
9:21 am MDT Oct 8, 2026
10am MDT Oct 8, 2026-6pm MDT Oct 14, 2026



