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

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

49°F

9°C

Humidity 99%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 29 Sep 1:15 am CDT
Extended Forecast for

Franklin ILSimilar City Names

  • Overnight

    Overnight: Clear, with a low around 51. Light east southeast wind.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. South wind 3 to 8 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 63. South southeast wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 85. South wind 7 to 9 mph, with gusts as high as 17 mph.

    High: 85 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 69. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 84. South southwest wind 7 to 9 mph, with gusts as high as 17 mph.

    High: 84 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, then showers and possibly a thunderstorm after 1am. Low around 63. North wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 51. Light east southeast wind.
Tuesday
Sunny, with a high near 83. South wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 63. South southeast wind 6 to 8 mph, with gusts as high as 16 mph.
Wednesday
Mostly cloudy, with a high near 85. South wind 7 to 9 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly cloudy, with a low around 69. South wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 84. South southwest wind 7 to 9 mph, with gusts as high as 17 mph.
Thursday Night
Showers likely, then showers and possibly a thunderstorm after 1am. Low around 63. North wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Franklin ILSimilar City Names
 39.61°N 90.04°W (Elev. 659 ft)
Last Update:
1:25 am CDT Sep 29, 2026
Forecast Valid:
1am CDT Sep 29, 2026-6pm CDT Oct 5, 2026
 
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Additional Resources

Radar & Satellite Image

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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