


Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds
23°C
73°F
Humidity | 94% |
Wind Speed | E 9 km/h |
Barometer | 1016.2 mb (30.02 in) |
Dewpoint | 22°C (71°F) |
Visibility | 16 km |
Last update | 13 Jul 11:54 pm CDT |
Extended Forecast for
3 Miles SSW Dow IL
Overnight
Low: 20 °C
Patchy Fog
Monday
High: 30 °C
Patchy Fog
then Partly
SunnyMonday Night
Low: 22 °C
Mostly Cloudy
Tuesday
High: 32 °C
Partly Sunny
then Chance
T-stormsTuesday Night
Low: 22 °C
Slight Chance
T-stormsWednesday
High: 32 °C
Chance
T-stormsWednesday Night
Low: 23 °C
Chance
T-stormsThursday
High: 33 °C
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 22 °C
Chance
T-storms
Detailed Forecast
Overnight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 20. Calm wind.
Monday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 30. Calm wind becoming southeast 5 to 8 km/h in the afternoon.
Monday Night
Mostly cloudy, with a low around 22. Southeast wind 5 to 10 km/h becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 32. Southeast wind 5 to 10 km/h becoming south in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 22. South wind 5 to 10 km/h.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 32.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 23.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 33.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 22.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 31.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 22.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Dow IL
39°N 90.33°W (Elev. 597 m)
39°N 90.33°W (Elev. 597 m)
10:37 pm CDT Jul 13, 2025
12am CDT Jul 14, 2025-6pm CDT Jul 20, 2025