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Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
-2°F
-19°C
| Humidity | 79% |
| Wind Speed | W 3 mph |
| Barometer | 30.46 in (1032.2 mb) |
| Dewpoint | -7°F (-22°C) |
| Visibility | 10.00 mi |
| Last update | 1 Feb 2:54 am CST |
Extended Forecast for
4 Miles W Old Monroe MO
Overnight

Low: 1 °F
Clear
Sunday

High: 30 °F
Chance Snow
Sunday Night
Low: 19 °F
Slight Chance
Snow then
Partly CloudyMonday

High: 38 °F
Mostly Sunny
Monday Night

Low: 25 °F
Mostly Cloudy
Tuesday

High: 33 °F
Mostly Cloudy
Tuesday Night

Low: 17 °F
Mostly Cloudy
Wednesday

High: 31 °F
Mostly Sunny
Wednesday Night

Low: 15 °F
Partly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 1. Southwest wind 3 to 5 mph.
Sunday
A 40 percent chance of snow, mainly after 2pm. Increasing clouds, with a high near 30. Calm wind becoming south 5 to 9 mph in the morning.
Sunday Night
A 20 percent chance of snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 19. Light and variable wind becoming northwest around 6 mph after midnight.
Monday
Mostly sunny, with a high near 38. Northwest wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 25. Light east wind.
Tuesday
Mostly cloudy, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 34.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles W Old Monroe MO
38.94°N 90.82°W (Elev. 525 ft)
38.94°N 90.82°W (Elev. 525 ft)
2:26 am CST Feb 1, 2026
3am CST Feb 1, 2026-6pm CST Feb 7, 2026



