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

81°F

27°C

Humidity 74%
Wind Speed S 3 mph
Barometer 29.86 in (1010.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 25 Jun 12:54 am CDT
Extended Forecast for

3 Miles NNW Brussels IL

  • Overnight

    Overnight: Mostly clear, with a low around 78. South wind around 7 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 106. West wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Southwest wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 71 °F

    Chance
    T-storms then
    Heavy Rain

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 7am. Some of the storms could produce heavy rainfall. Mostly cloudy, then gradually becoming sunny, with a high near 86. North wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 86 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65. North wind 3 to 7 mph.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 94.

    High: 94 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 78. South wind around 7 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 106. West wind 7 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Showers and thunderstorms likely, mainly after 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Southwest wind 5 to 7 mph. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely, mainly before 7am. Some of the storms could produce heavy rainfall. Mostly cloudy, then gradually becoming sunny, with a high near 86. North wind 5 to 8 mph. Chance of precipitation is 60%.
Wednesday Night
Clear, with a low around 65. North wind 3 to 7 mph.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 94.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 77.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 64.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Brussels IL
 39.01°N 90.61°W (Elev. 610 ft)
Last Update:
10:23 pm CDT Jun 24, 2024
Forecast Valid:
1am CDT Jun 25, 2024-6pm CDT Jul 1, 2024
 
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