Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
76°F
24°C
| Humidity | 69% |
| Wind Speed | SW 12 mph |
| Barometer | 29.84 in (1009.9 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 10 Mar 10:54 am CDT |
Extended Forecast for
3 Miles WSW Greenfield IL
Today

High: 83 °F
Sunny and
BreezyTonight
Low: 48 °F
Chance
T-storms then
T-stormsWednesday
High: 64 °F⇓
Breezy. Rain
then Chance
RainWednesday Night

Low: 29 °F
Decreasing
CloudsThursday

High: 54 °F
Sunny
Thursday Night
Low: 42 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyFriday

High: 59 °F
Mostly Cloudy
Friday Night

Low: 36 °F
Mostly Cloudy
Saturday

High: 67 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 83. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 48. South wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before 2pm, then a slight chance of rain between 2pm and 3pm. Temperature falling to around 47 by 4pm. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 54. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 42. Breezy.
Friday
Mostly cloudy, with a high near 59.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 44.
Sunday
Rain likely. Cloudy, with a high near 58. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 35.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Greenfield IL
39.33°N 90.26°W (Elev. 551 ft)
39.33°N 90.26°W (Elev. 551 ft)
10:51 am CDT Mar 10, 2026
11am CDT Mar 10, 2026-6pm CDT Mar 16, 2026



