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

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Thunderstorm

55°F

13°C

Humidity 94%
Wind Speed N 10 mph
Barometer 29.95 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 1 Apr 12:16 am CDT
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 47. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 60. East northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 60 °F

    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a temperature rising to around 63 by 5am. East wind 11 to 14 mph becoming south southeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%.

    Low: 55 °F⇑

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 75. Breezy, with a south wind 18 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 1am. Partly cloudy, with a low around 54. Southwest wind 7 to 17 mph, with gusts as high as 28 mph.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 48. South wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 60. Breezy. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 47. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 60. East northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a temperature rising to around 63 by 5am. East wind 11 to 14 mph becoming south southeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%.
Thursday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 75. Breezy, with a south wind 18 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers before 1am. Partly cloudy, with a low around 54. Southwest wind 7 to 17 mph, with gusts as high as 28 mph.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South wind 6 to 14 mph, with gusts as high as 22 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 48. South wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 60. Breezy. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
10:36 pm CDT Mar 31, 2026
Forecast Valid:
12am CDT Apr 1, 2026-6pm CDT Apr 7, 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