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Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
36°F
2°C
| Humidity | 48% |
| Wind Speed | W 12 mph |
| Barometer | 30.51 in (1033.4 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 11 Jan 1:54 pm CST |
Extended Forecast for
Old Monroe MO
This Afternoon
High: 34 °F
Sunny
Tonight
Low: 27 °F
Clear
Monday
High: 51 °F
Sunny
Monday Night
Low: 36 °F
Mostly Clear
Tuesday
High: 59 °F
Partly Sunny
Tuesday Night
Low: 37 °F
Slight Chance
Rain then
Mostly CloudyWednesday
High: 42 °F
Mostly Cloudy
and BreezyWednesday Night
Low: 17 °F
Partly Cloudy
Thursday
High: 34 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a steady temperature around 34. West wind 5 to 9 mph.
Tonight
Clear, with a low around 27. Southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 51. West wind 5 to 9 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 36. Southwest wind 3 to 8 mph.
Tuesday
Partly sunny, with a high near 59. West wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 42. Breezy.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 31.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Old Monroe MO
38.92°N 90.76°W (Elev. 436 ft)
38.92°N 90.76°W (Elev. 436 ft)
2:16 pm CST Jan 11, 2026
2pm CST Jan 11, 2026-6pm CST Jan 17, 2026
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