Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

70°F

21°C

Humidity 79%
Wind Speed S 9 mph
Barometer 29.63 in (1002.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 11 Mar 2:54 am CDT
Extended Forecast for

3 Miles WSW Rockbridge IL

  • Overnight

    Overnight: Rain and possibly a thunderstorm.  Steady temperature around 63. Southwest wind around 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%.

    Low: 63 °F

    T-storms

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 2pm, then a slight chance of rain between 2pm and 3pm.  Temperature falling to around 45 by 2pm. Breezy, with a west wind 10 to 15 mph becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 90%.

    High: 62 °F

    T-storms then
    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 28. Northwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

    Low: 28 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 54. Light west wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Breezy, with a south wind 11 to 20 mph, with gusts as high as 33 mph.

    Low: 41 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain and thunderstorms after 1am.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Rain and possibly a thunderstorm. Steady temperature around 63. Southwest wind around 13 mph, with gusts as high as 22 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 45 by 2pm. Breezy, with a west wind 10 to 15 mph becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 28. Northwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 54. Light west wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 41. Breezy, with a south wind 11 to 20 mph, with gusts as high as 33 mph.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 47.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 63. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 36. Breezy.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Rockbridge IL
 39.26°N 90.26°W (Elev. 515 ft)
3:01 am CDT Mar 11, 2026
5am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
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Additional Resources

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