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.

Fair

69°F

21°C

Humidity 90%
Wind Speed W 7 mph
Barometer 29.88 in (1011.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 19 Jun 12:54 am CDT
Extended Forecast for

2 Miles WNW Fidelity IL

  • Overnight

    Overnight: Partly cloudy, with a low around 65. West wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, then gradually becoming sunny, with a high near 83. Northwest wind around 8 mph.

    High: 83 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. West wind 5 to 7 mph becoming light and variable.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 88. South wind 6 to 11 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind around 11 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. West wind 6 to 8 mph, with gusts as high as 21 mph.
Juneteenth
Partly sunny, then gradually becoming sunny, with a high near 83. Northwest wind around 8 mph.
Thursday Night
Mostly clear, with a low around 65. West wind 5 to 7 mph becoming light and variable.
Friday
Mostly sunny, with a high near 88. South wind 6 to 11 mph.
Friday Night
Mostly clear, with a low around 73. South wind around 11 mph.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Fidelity IL
 39.15°N 90.18°W (Elev. 610 ft)
Last Update:
10:36 pm CDT Jun 18, 2025
Forecast Valid:
1am CDT Jun 19, 2025-6pm CDT Jun 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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