Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
54°F
12°C
| Humidity | 57% |
| Wind Speed | SE 7 mph |
| Barometer | 30.35 in (1027.7 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 18 Oct 6:54 pm CDT |
Extended Forecast for
4 Miles WNW Old Monroe MO
Tonight
Low: 40 °F
Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 43 °F
Partly Cloudy
Tuesday
High: 74 °F
Mostly Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 47 °F
Mostly Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 49 °F
Clear
Detailed Forecast
Tonight
Clear, with a low around 40. Southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 71. Light southeast wind.
Monday Night
Partly cloudy, with a low around 43. Light and variable wind.
Tuesday
Mostly sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 77.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WNW Old Monroe MO
38.97°N 90.81°W (Elev. 505 ft)
38.97°N 90.81°W (Elev. 505 ft)
2:56 pm CDT Oct 18, 2026
7pm CDT Oct 18, 2026-6pm CDT Oct 25, 2026
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