Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
29°F
-2°C
| Humidity | 72% |
| Wind Speed | N 8 mph |
| Barometer | 30.27 in (1025.0 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 1 Mar 1:54 am CST |
Extended Forecast for
Rockbridge IL
Winter Weather Advisory March 1, 06:00pm until March 2, 06:00am
Overnight

Low: 28 °F
Mostly Clear
Sunday

High: 45 °F
Mostly Cloudy
Sunday Night

Low: 32 °F
Wintry Mix
Monday

High: 45 °F
Chance Rain
Monday Night
Low: 39 °F
Chance
Showers then
ShowersTuesday

High: 59 °F
Showers
Tuesday Night

Low: 51 °F
Showers
Wednesday

High: 66 °F
Showers
Wednesday Night

Low: 48 °F
Showers
Likely
Detailed Forecast
Overnight
Mostly clear, with a low around 28. North wind around 11 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 45. Northeast wind 11 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Rain and snow, possibly mixed with sleet before 3am, then a chance of rain and snow between 3am and 4am, then a chance of rain after 4am. Low around 32. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow and sleet accumulation of around an inch possible.
Monday
A chance of rain, mainly before 9am, then a slight chance of showers after noon. Cloudy, with a high near 45. East wind 8 to 10 mph. Chance of precipitation is 30%.
Monday Night
Showers, mainly after midnight. Low around 39. Southeast wind around 7 mph. Chance of precipitation is 80%.
Tuesday
Showers. High near 59. Chance of precipitation is 90%.
Tuesday Night
Showers, with thunderstorms also possible after midnight. Low around 51. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before noon. Partly sunny, with a high near 66. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Saturday
Showers likely. Cloudy, with a high near 61. Chance of precipitation is 60%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Rockbridge IL
39.26°N 90.2°W (Elev. 509 ft)
39.26°N 90.2°W (Elev. 509 ft)
1:36 am CST Mar 1, 2026
2am CST Mar 1, 2026-6pm CST Mar 7, 2026



