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Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
74°F
23°C
| Humidity | 69% |
| Wind Speed | NE 6 mph |
| Barometer | 29.91 in (1012.3 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jun 8:54 pm CDT |
Extended Forecast for
3 Miles WSW Rockbridge IL
Flood Watch June 21, 07:00am until June 22, 01:00am
Tonight
Low: 64 °F
Partly Cloudy
then Slight
Chance
T-stormsSunday
High: 79 °F
Heavy Rain
Sunday Night
Low: 60 °F
Heavy Rain
then Chance
ShowersMonday
High: 74 °F
Decreasing
CloudsMonday Night
Low: 56 °F
Partly Cloudy
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Wednesday
High: 81 °F
Mostly Sunny
Wednesday Night
Low: 58 °F
Partly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 64. Calm wind becoming east around 6 mph after midnight.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 79. East wind 8 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Sunday Night
Showers and thunderstorms, mainly before 1am. Some of the storms could produce heavy rainfall. Low around 60. North wind 8 to 11 mph becoming southwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 74. North wind around 10 mph.
Monday Night
Partly cloudy, with a low around 56. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Rockbridge IL
39.26°N 90.26°W (Elev. 515 ft)
39.26°N 90.26°W (Elev. 515 ft)
9:31 pm CDT Jun 20, 2026
9pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
Additional Resources
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