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

81°F

27°C

Humidity 84%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 4 Sep 8:15 pm CDT
Extended Forecast for

2 Miles ESE Jacksonville Municipal Airport IL

Extreme Heat Warning September 4, 08:24pm until September 5, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 08:24pm until September 5, 07:00pm

    NOW until 7:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. East northeast wind around 6 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 90. East northeast wind 5 to 8 mph.

    High: 90 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. East wind 5 to 8 mph.

    Low: 63 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 89. East southeast wind 5 to 7 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. East wind around 7 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Light southwest wind.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69. East northeast wind around 6 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 90. East northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 63. East wind 5 to 8 mph.
Labor Day
Sunny, with a high near 89. East southeast wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 64. East wind around 7 mph.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Mostly sunny and hot, with a high near 97.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Jacksonville Municipal Airport IL
 39.77°N 90.18°W (Elev. 604 ft)
Last Update:
7:36 pm CDT Sep 4, 2026
Forecast Valid:
8pm CDT Sep 4, 2026-6pm CDT Sep 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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