
Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast
A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Caseyville IL
Today

High: 46 °F
Mostly Sunny
Tonight

Low: 28 °F
Mostly Clear
Saturday

High: 49 °F
Sunny
Saturday Night

Low: 27 °F
Clear
Sunday

High: 52 °F
Sunny
Sunday Night

Low: 30 °F
Mostly Clear
Monday

High: 54 °F
Sunny
Monday Night

Low: 30 °F
Clear
Tuesday

High: 56 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 46. North wind 6 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 28. North wind 3 to 8 mph.
Saturday
Sunny, with a high near 49. North wind around 6 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 27. Calm wind.
Sunday
Sunny, with a high near 52. Calm wind.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 54.
Monday Night
Clear, with a low around 30.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Clear, with a low around 32.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 65.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Caseyville IL
38.61°N 90.03°W (Elev. 502 ft)
38.61°N 90.03°W (Elev. 502 ft)
6:50 am CST Nov 13, 2026
7am CST Nov 13, 2026-6pm CST Nov 19, 2026


