Hazardous Weather Conditions

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Thunderstorm Light Rain Fog/Mist

48°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in (1014.4 mb)
Dewpoint 48°F (9°C)
Visibility 5.00 mi
Last update 5 Mar 4:54 am CST
Extended Forecast for

2 Miles W Grafton IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm.  Patchy fog.  Otherwise, cloudy, with a low around 49. North wind around 5 mph.  Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A 40 percent chance of showers, 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.

    High: 65 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    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.

    Low: 55 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers after noon.  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%.

    High: 79 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    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%.

    Low: 56 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Patchy fog. Otherwise, cloudy, with a low around 49. North wind around 5 mph. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers, 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 9am, then a slight chance of showers after noon. 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%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Grafton IL
 38.98°N 90.47°W (Elev. 689 ft)
4:06 am CST Mar 5, 2026
5am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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