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
4 Miles W Arnold MO
Tonight
Low: 32 °F
Mostly Clear
Friday
High: 46 °F
Sunny
Friday Night
Low: 27 °F
Clear
Saturday
High: 49 °F
Sunny
Saturday Night
Low: 27 °F
Mostly Clear
Sunday
High: 51 °F
Sunny
Sunday Night
Low: 29 °F
Mostly Clear
Monday
High: 54 °F
Sunny
Monday Night
Low: 30 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 32. Northwest wind 5 to 7 mph.
Friday
Sunny, with a high near 46. North wind 6 to 10 mph.
Friday Night
Clear, with a low around 27. Northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 49. North wind around 5 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 27. Calm wind.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 54.
Monday Night
Clear, with a low around 30.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Clear, with a low around 31.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles W Arnold MO
38.43°N 90.44°W (Elev. 650 ft)
38.43°N 90.44°W (Elev. 650 ft)
11:21 pm CST Nov 12, 2026
11pm CST Nov 12, 2026-6pm CST Nov 19, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
