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.

Fair

46°F

8°C

Humidity 46%
Wind Speed S 10 mph
Barometer 30.26 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 29 Mar 2:55 am CDT
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 42. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69. South wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. South wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. South southwest wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South wind 15 to 18 mph, with gusts as high as 28 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Breezy.
    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 45. West wind around 16 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 69. South wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 56. South wind 10 to 13 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 83. South southwest wind 13 to 17 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 64. South wind 15 to 18 mph, with gusts as high as 28 mph.
Tuesday
A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain and possibly a thunderstorm. Low around 45. West wind around 16 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Wednesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 40. Chance of precipitation is 70%.
Thursday
Rain likely. Cloudy, with a high near 57. Chance of precipitation is 70%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Partly sunny, with a high near 71.
Friday Night
Rain likely. Mostly cloudy, with a low around 53.
Saturday
Rain likely. Mostly cloudy, with a high near 67.
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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:
2:00 am CDT Mar 29, 2026
Forecast Valid:
3am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation