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
57°F
14°C
| Humidity | 32% |
| Wind Speed | SW 6 mph |
| Barometer | 30.24 in (1021.4 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 9:53 am MDT |
Extended Forecast for
3 Miles SSE Keystone SD
Today
High: 75 °F
Sunny
Tonight
Low: 51 °F
Partly Cloudy
Sunday
High: 61 °F
Sunny
Sunday Night
Low: 40 °F
Mostly Clear
Monday
High: 59 °F
Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 71 °F
Sunny
Tuesday Night
Low: 50 °F
Mostly Clear
Wednesday
High: 69 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Partly cloudy, with a low around 51. Southwest wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 32 mph.
Sunday
Sunny, with a high near 61. Northwest wind 7 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 40. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Monday
Sunny, with a high near 59. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 46. Light and variable wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 54.
Friday
A chance of rain. Partly sunny, with a high near 69.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Keystone SD
43.85°N 103.4°W (Elev. 4600 ft)
43.85°N 103.4°W (Elev. 4600 ft)
10:06 am MDT Oct 17, 2026
10am MDT Oct 17, 2026-6pm MDT Oct 23, 2026
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