Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
48°F
9°C
| Humidity | 96% |
| Wind Speed | N 5 mph |
| Barometer | 29.96 in (1014.4 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 5 Mar 3:54 am CST |
Extended Forecast for
2 Miles W Grafton IL
Overnight
Low: 50 °F
Showers and
Patchy FogThursday
High: 65 °F
Chance
Showers and
Patchy Fog
then Mostly
CloudyThursday Night
Low: 55 °F
Chance
T-stormsFriday
High: 79 °F
Slight Chance
T-stormsFriday Night
Low: 56 °F
Chance
T-storms then
ShowersSaturday
High: 64 °F
Chance
Showers then
Partly SunnySaturday Night
Low: 39 °F
Partly Cloudy
Sunday
High: 65 °F
Sunny
Sunday Night
Low: 47 °F
Mostly Clear
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 50. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 90%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 8am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 65. West wind 5 to 7 mph becoming light and variable in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 55. Light southeast wind increasing to 5 to 9 mph in the evening.
Friday
A slight chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. South wind 9 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 56. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers before noon. Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 76.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 59.
Tuesday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Wednesday
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles W Grafton IL
38.98°N 90.47°W (Elev. 689 ft)
38.98°N 90.47°W (Elev. 689 ft)
3:36 am CST Mar 5, 2026
3am CST Mar 5, 2026-6pm CDT Mar 11, 2026
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