Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Partly Cloudy

58°F

14°C

Humidity 81%
Wind Speed Calm
Barometer 30.13 in (1020.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 May 12:54 am CDT
Extended Forecast for

2 Miles ENE Fieldon IL

  • Overnight

    Overnight: Mostly clear, with a low around 51. Southeast wind around 6 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. South wind 7 to 14 mph becoming southwest in the morning. Winds could gust as high as 25 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 8pm and midnight.  Mostly cloudy, then gradually becoming clear, with a low around 56. Southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Southeast wind around 6 mph.
Tuesday
Sunny, with a high near 81. South wind 7 to 14 mph becoming southwest in the morning. Winds could gust as high as 25 mph.
Tuesday Night
A slight chance of showers and thunderstorms between 8pm and midnight. Mostly cloudy, then gradually becoming clear, with a low around 56. Southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 73. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Clear, with a low around 46. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 72.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 54.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63.
Saturday
A 20 percent chance of showers. Sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Fieldon IL
 39.11°N 90.47°W (Elev. 640 ft)
12:26 am CDT May 12, 2026
1am CDT May 12, 2026-6pm CDT May 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database