
Heavy Rain Continues in South-central Texas; Heat Wave in California
A slow moving front will maintain the threat of flash/urban flooding across southern and central Texas today and the Central Gulf Coast and Southeast through the weekend. Abnormally, potentially record-breaking temperatures will impact southern California and stretch north toward the Bay Area and Central Valley through next week. Read More >
Current conditions at
Custer, Custer County Airport (KCUT)
Lat: 43.73°NLon: 103.62°WElev: 5600ft.
Overcast
38°F
3°C
| Humidity | 76% |
| Wind Speed | Calm |
| Barometer | 30.29 in (1024.0 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 2 Oct 2:53 am MDT |
Extended Forecast for
Keystone SD
Overnight

Low: 46 °F
Partly Cloudy
Friday

High: 76 °F
Sunny
Friday Night

Low: 55 °F
Mostly Clear
Saturday

High: 73 °F
Sunny
Saturday Night

Low: 45 °F
Mostly Clear
Sunday

High: 68 °F
Sunny
Sunday Night

Low: 53 °F
Clear
Monday

High: 82 °F
Sunny
Monday Night

Low: 59 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a steady temperature around 46. South wind around 5 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 76. South wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 55. Calm wind becoming west around 5 mph after midnight.
Saturday
Sunny, with a high near 73. North wind 5 to 14 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 45. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 25 mph.
Sunday Night
Clear, with a low around 53.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Keystone SD
43.89°N 103.43°W (Elev. 4541 ft)
43.89°N 103.43°W (Elev. 4541 ft)
2:31 am MDT Oct 2, 2026
3am MDT Oct 2, 2026-6pm MDT Oct 8, 2026


