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
38°F
3°C
| Humidity | 26% |
| Wind Speed | Vrbl 7 mph |
| Barometer | 30.29 in (1025.9 mb) |
| Dewpoint | 6°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 22 Jan 1:54 pm CST |
Extended Forecast for
3 Miles SSW Dow IL
Winter Storm Watch January 24, 12:00am until January 25, 06:00pm
Cold Weather Advisory January 23, 03:00am until January 24, 12:00pm
This Afternoon

High: 37 °F
Mostly Sunny
Tonight
Low: 7 °F
Partly Cloudy
then Mostly
Cloudy and
BlusteryFriday
High: 10 °F
Partly Sunny
and Blustery
then Partly
SunnyFriday Night
Low: 3 °F
Mostly Cloudy
then Slight
Chance SnowSaturday
High: 11 °F
Snow Likely
then SnowSaturday Night

Low: 9 °F
Snow
Sunday

High: 14 °F
Snow Likely
Sunday Night
Low: -1 °F
Slight Chance
Snow then
Partly CloudyMonday

High: 17 °F
Cold
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 37. West wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 7. Blustery, with a north wind 5 to 10 mph increasing to 15 to 20 mph after midnight.
Friday
Partly sunny and cold, with a high near 10. Wind chill values as low as -15. Blustery, with a north wind 13 to 20 mph.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 3. Wind chill values as low as -15. Northeast wind around 13 mph.
Saturday
Snow. High near 11. Northeast wind around 11 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow. Low around 9. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow likely, mainly before noon. Cloudy and cold, with a high near 14. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -1.
Monday
Sunny and cold, with a high near 17.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Partly sunny, with a high near 25.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT 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)
1:26 pm CST Jan 22, 2026
2pm CST Jan 22, 2026-6pm CST Jan 28, 2026



