Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
44°F
7°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.46 in (1031.5 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 9:54 pm CDT |
Extended Forecast for
4 Miles E Old Monroe MO
Frost Advisory October 18, 01:00am until October 18, 09:00am
Tonight
Low: 37 °F
Clear then
Patchy FogSunday
High: 70 °F
Patchy Frost
and Patchy
Fog then
SunnySunday Night
Low: 41 °F
Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 75 °F
Mostly Sunny
Tuesday Night
Low: 44 °F
Partly Cloudy
Wednesday
High: 79 °F
Sunny
Wednesday Night
Low: 48 °F
Mostly Clear
Detailed Forecast
Tonight
Patchy fog after 5am. Otherwise, clear, with a low around 37. Light southeast wind.
Sunday
Patchy fog before 9am. Patchy frost before 8am. Otherwise, sunny, with a high near 70. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 41. Light and variable wind.
Monday
Sunny, with a high near 73. Light and variable wind.
Monday Night
Mostly clear, with a low around 42. Calm wind.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles E Old Monroe MO
38.92°N 90.67°W (Elev. 430 ft)
38.92°N 90.67°W (Elev. 430 ft)
10:36 pm CDT Oct 17, 2026
10pm CDT Oct 17, 2026-6pm CDT Oct 24, 2026
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