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

92°F

33°C

Humidity 66%
Wind Speed SW 6 mph
Barometer 30.04 in
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 16 Aug 3:50 pm CDT
Extended Forecast for

Franklin IL

Heat Advisory until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 17, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. South wind 3 to 6 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 103. Light south southeast wind.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 94. South southwest wind around 6 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95. Heat index values as high as 109. Southwest wind around 8 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. South wind 3 to 6 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 103. Light south southeast wind.
Sunday Night
Partly cloudy, with a low around 74. Calm wind becoming south southeast around 5 mph after midnight.
Monday
Sunny, with a high near 94. South southwest wind around 6 mph.
Monday Night
Mostly clear, with a low around 74. South wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 94. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Franklin IL
 39.61°N 90.04°W (Elev. 659 ft)
Last Update:
3:41 pm CDT Aug 16, 2025
Forecast Valid:
4pm CDT Aug 16, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
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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