Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds
23°F
-5°C
| Humidity | 53% |
| Wind Speed | NW 15 G 26 mph |
| Barometer | 30.15 in (1021.4 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 10°F (-12°C) |
| Last update | 16 Mar 10:54 pm CDT |
Extended Forecast for
5 Miles WNW Rockbridge IL
Tonight

Low: 11 °F
Decreasing
CloudsTuesday

High: 32 °F
Increasing
CloudsTuesday Night
Low: 27 °F
Snow Likely
then Chance
SnowWednesday

High: 61 °F
Sunny
Wednesday Night

Low: 39 °F
Mostly Cloudy
Thursday

High: 70 °F
Sunny
Thursday Night

Low: 43 °F
Partly Cloudy
Friday

High: 76 °F
Mostly Sunny
Friday Night

Low: 48 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 11. Northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 32. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Snow likely, mainly between 10pm and 1am. Cloudy, with a low around 27. Southeast wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Sunny, with a high near 61. South wind around 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 39. West wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 53.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
5 Miles WNW Rockbridge IL
39.29°N 90.29°W (Elev. 545 ft)
39.29°N 90.29°W (Elev. 545 ft)
8:56 pm CDT Mar 16, 2026
11pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026


