News Headlines
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
5 Miles NE Hardin IL
Flood Warning until further notice
Flood Watch June 21, 07:00am until June 22, 01:00am
NOW until further notice
Flood Warning
Tonight
Low: 66 °F
Partly Cloudy
then Chance
T-stormsSunday

High: 79 °F
Heavy Rain
Sunday Night
Low: 62 °F
Heavy Rain
then Chance
ShowersMonday

High: 75 °F
Decreasing
CloudsMonday Night

Low: 58 °F
Partly Cloudy
Tuesday

High: 79 °F
Sunny
Tuesday Night

Low: 60 °F
Mostly Clear
Wednesday

High: 82 °F
Mostly Sunny
Detailed Forecast
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 66. Calm wind becoming east around 5 mph after midnight.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 79. East wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall. Low around 62. Northwest wind 7 to 10 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 75. North wind around 9 mph.
Monday Night
Partly cloudy, with a low around 58. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Friday
A 30 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 64.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
5 Miles NE Hardin IL
39.18°N 90.55°W (Elev. 499 ft)
39.18°N 90.55°W (Elev. 499 ft)
9:31 pm CDT Jun 20, 2026
9pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026



