Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam
Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >
Current conditions at
Custer, Custer County Airport (KCUT)
Lat: 43.73°NLon: 103.62°WElev: 5600ft.
Fair
69°F
21°C
| Humidity | 17% |
| Wind Speed | W 10 G 17 mph |
| Barometer | 30.17 in (1017.4 mb) |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 12:53 pm MDT |
Extended Forecast for
6 Miles NNW Keystone SD
This Afternoon
High: 77 °F
Sunny
Tonight
Low: 48 °F
Partly Cloudy
Sunday
High: 62 °F
Sunny
Sunday Night
Low: 40 °F
Mostly Clear
Monday
High: 60 °F
Sunny
Monday Night
Low: 45 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 46 °F
Mostly Clear
Wednesday
High: 67 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 77. Light southeast wind. Winds could gust as high as 15 mph.
Tonight
Partly cloudy, with a low around 48. West wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 62. Light and variable wind becoming north around 6 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 40. Light and variable wind.
Monday
Sunny, with a high near 60. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 45. Light and variable wind becoming south around 5 mph. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Friday
A slight chance of rain. Partly sunny, with a high near 71.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
12:56 pm MDT Oct 17, 2026
1pm MDT Oct 17, 2026-6pm MDT Oct 23, 2026
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