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.

Partly Cloudy

65°F

18°C

Humidity 51%
Wind Speed NW 12 mph
Barometer 29.96 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 13 May 1:15 am CDT
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Clear, with a low around 55. Northwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. North northwest wind 8 to 17 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers after 1am. Low around 54. South southeast wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Mostly Cloudy
    then Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. South southeast wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 62 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 55. Northwest wind around 8 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 72. North northwest wind 8 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Clear, with a low around 45. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 76. Calm wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Showers after 1am. Low around 54. South southeast wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. South southeast wind 11 to 17 mph, with gusts as high as 26 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind 6 to 8 mph, with gusts as high as 16 mph.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89.
Monday Night
Showers likely. Mostly cloudy, with a low around 64.
Tuesday
A chance of showers. Mostly cloudy, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.75°N 90.21°W (Elev. 564 ft)
Last Update:
12:36 am CDT May 13, 2026
Forecast Valid:
1am CDT May 13, 2026-6pm CDT May 19, 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