Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
52°F
11°C
| Humidity | 50% |
| Wind Speed | NW 7 mph |
| Barometer | 30.30 in (1026.0 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 6 Apr 8:54 pm CDT |
Extended Forecast for
3 Miles SSW Dow IL
Tonight
Low: 36 °F
Mostly Clear
then Chance
ShowersTuesday
High: 52 °F
Chance
Rain/Snow
then Partly
SunnyTuesday Night
Low: 39 °F
Partly Cloudy
Wednesday
High: 72 °F
Partly Sunny
Wednesday Night
Low: 52 °F
Partly Cloudy
Thursday
High: 75 °F
Mostly Sunny
Thursday Night
Low: 56 °F
Chance
ShowersFriday
High: 74 °F
Chance
Showers then
Chance
T-stormsFriday Night
Low: 55 °F
Chance
T-storms
Detailed Forecast
Tonight
A 30 percent chance of showers, mainly after 4am. Increasing clouds, with a low around 36. North wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday
A chance of rain and snow showers before 8am, then a chance of rain showers between 8am and 11am. Cloudy, then gradually becoming mostly sunny, with a high near 52. East wind 10 to 14 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 39. East wind around 10 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 72. South wind 10 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 78.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Dow IL
39°N 90.33°W (Elev. 597 ft)
39°N 90.33°W (Elev. 597 ft)
8:46 pm CDT Apr 6, 2026
9pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026
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