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.

Overcast

70°F

21°C

Humidity 100%
Wind Speed E 5 mph
Barometer 29.89 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 28 Jun 1:15 am CDT
Extended Forecast for

3 Miles WSW Jacksonville Municipal Airport IL

Heat Advisory June 28, 01:00pm until June 28, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 71. East southeast wind 3 to 5 mph.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 106. South wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 92 °F

    Chance
    T-storms and
    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 75. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 93. Heat index values as high as 106. South wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 75. South wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 71. East southeast wind 3 to 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 106. South wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Increasing clouds, with a low around 75. South wind 8 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 93. Heat index values as high as 106. South wind 9 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 76. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 94. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Clear, with a low around 75. South wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 95.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 74.
Independence Day
Sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Jacksonville Municipal Airport IL
 39.77°N 90.29°W (Elev. 600 ft)
Last Update:
1:26 am CDT Jun 28, 2026
Forecast Valid:
1am CDT Jun 28, 2026-6pm CDT Jul 4, 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