National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

88°F

31°C

Humidity 55%
Wind Speed SW 12 G 21 mph
Barometer 29.44 in (996.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 17 Jun 7:54 pm CDT
Extended Forecast for

5 Miles S Fieldon IL

Tornado Watch June 17, 08:34pm until June 17, 10:00pm
Click here for hazard details and duration
...
  •  
    Tornado Watch June 17, 08:34pm until June 17, 10:00pm

    NOW until 10:00pm Wed

    Tornado Watch

  • Tonight

    Low: 68 °F

    Severe
    Thunderstorms
    then Partly
    Cloudy

  • Thursday

    Thursday: Isolated showers between 1pm and 4pm. Increasing clouds, with a high near 78. Northwest wind around 7 mph. Chance of precipitation is 20%.

    High: 78 °F

    Sunny then
    Isolated
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. Light northwest wind.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Heavy Rain

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 11pm. Some of the storms could be severe. Partly cloudy, with a low around 68. West wind 7 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Thursday
Isolated showers between 1pm and 4pm. Increasing clouds, with a high near 78. Northwest wind around 7 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 83. Light northwest wind.
Friday Night
Partly cloudy, with a low around 65. Light and variable wind.
Saturday
Partly sunny, with a high near 84.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 65. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Fieldon IL
 39.03°N 90.5°W (Elev. 722 ft)
Last Update:
8:00 pm CDT Jun 17, 2026
Forecast Valid:
8pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation