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

67°F

19°C

Humidity 87%
Wind Speed N 7 mph
Barometer 29.69 in (1005.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 May 8:54 pm CDT
Extended Forecast for

Jerseyville IL

  • Tonight

    Tonight: A chance of rain and thunderstorms before 1am, then isolated showers and thunderstorms between 1am and 2am. Patchy fog between 2am and 5am. Otherwise, cloudy, with a low around 56. North wind around 10 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms then
    Isolated
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, cloudy, with a high near 75. North wind 8 to 10 mph.

    High: 75 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59. North wind around 6 mph becoming light and variable.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. South wind 7 to 11 mph. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southwest wind 6 to 8 mph.

    Low: 61 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain and thunderstorms before 1am, then isolated showers and thunderstorms between 1am and 2am. Patchy fog between 2am and 5am. Otherwise, cloudy, with a low around 56. North wind around 10 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Wednesday
Patchy fog before 7am. Otherwise, cloudy, with a high near 75. North wind 8 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 59. North wind around 6 mph becoming light and variable.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. South wind 7 to 11 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southwest wind 6 to 8 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 62.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 83.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Jerseyville IL
 39.11°N 90.32°W (Elev. 630 ft)
Last Update:
8:52 pm CDT May 14, 2024
Forecast Valid:
9pm CDT May 14, 2024-6pm CDT May 21, 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