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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
88°F
31°C
| Humidity | 66% |
| Wind Speed | S 8 mph |
| Barometer | 29.96 in (1013.9 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 98°F (37°C) |
| Last update | 3 Jul 7:54 pm CDT |
Extended Forecast for
2 Miles W Hardin IL
Heat Advisory July 3, 10:00pm until July 4, 08:00pm
Extreme Heat Warning July 3, 08:47pm until July 3, 10:00pm
NOW until 10:00pm Fri
Extreme Heat Warning
Tonight
Low: 73 °F
Slight Chance
T-stormsIndependence Day
High: 92 °F
Chance
T-stormsSaturday Night
Low: 72 °F
Chance
T-stormsSunday
High: 88 °F
Chance
Showers then
Chance
T-stormsSunday Night
Low: 69 °F
Chance
ShowersMonday
High: 85 °F
Slight Chance
Showers then
Slight Chance
T-stormsMonday Night
Low: 67 °F
Partly Cloudy
Tuesday
High: 86 °F
Mostly Sunny
Detailed Forecast
Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Light and variable wind becoming west around 5 mph. Chance of precipitation is 20%.
Independence Day
A 40 percent chance of showers and thunderstorms, mainly after noon. Sunny, with a high near 92. Heat index values as high as 101. Light and variable wind becoming west around 6 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 72. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Light northwest wind.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Light north wind. Chance of precipitation is 40%.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Sunny, with a high near 89.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles W Hardin IL
39.16°N 90.64°W (Elev. 692 ft)
39.16°N 90.64°W (Elev. 692 ft)
5:56 pm CDT Jul 3, 2026
8pm CDT Jul 3, 2026-6pm CDT Jul 10, 2026
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