Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
76°F
24°C
| Humidity | 26% |
| Wind Speed | Vrbl 6 mph |
| Barometer | 30.19 in (1022.2 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Heat Index | 77°F (25°C) |
| Last update | 5 Oct 2:54 pm CDT |
Extended Forecast for
Old Monroe MO
Tonight
Low: 48 °F
Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 56 °F
Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 57 °F
Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 53 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 48. Light and variable wind.
Tuesday
Sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Clear, with a low around 56. South wind 3 to 5 mph.
Wednesday
Sunny, with a high near 87. West wind 5 to 7 mph.
Wednesday Night
Clear, with a low around 57. Calm wind.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 60.
Columbus Day
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Old Monroe MO
38.94°N 90.76°W (Elev. 499 ft)
38.94°N 90.76°W (Elev. 499 ft)
1:31 pm CDT Oct 5, 2026
3pm CDT Oct 5, 2026-6pm CDT Oct 12, 2026
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