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

96°F

36°C

Humidity 44%
Wind Speed W 15 G 22 mph
Barometer 29.85 in (1010.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 25 Jun 10:54 am CDT
Extended Forecast for

4 Miles W Jerseyville IL

  • Today

    Today: A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 101. West wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 97 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rainfall. Low around 71. South wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%.

    Low: 71 °F

    Chance
    T-storms then
    Heavy Rain

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 9am. Some of the storms could produce heavy rainfall. High near 84. South wind 6 to 11 mph becoming north in the morning. Chance of precipitation is 80%.

    High: 84 °F

    Heavy Rain
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. North wind 5 to 9 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. East wind around 6 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 101. West wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rainfall. Low around 71. South wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms, mainly before 9am. Some of the storms could produce heavy rainfall. High near 84. South wind 6 to 11 mph becoming north in the morning. Chance of precipitation is 80%.
Wednesday Night
Mostly clear, with a low around 65. North wind 5 to 9 mph.
Thursday
Sunny, with a high near 86. East wind around 6 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 91.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
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 84.
Sunday Night
Partly cloudy, with a low around 65.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Jerseyville IL
 39.11°N 90.41°W (Elev. 617 ft)
Last Update:
6:22 am CDT Jun 25, 2024
Forecast Valid:
11am 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