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

88°F

31°C

Humidity 66%
Wind Speed SE 8 mph
Barometer 30.04 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Aug 1:30 pm CDT
Extended Forecast for

3 Miles NNE Exeter IL

Heat Advisory August 17, 01:56pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 01:56pm 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 10pm. Partly cloudy, with a low around 73. Southeast wind 5 to 7 mph.

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 103. South wind around 8 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly clear, with a low around 73. Light south wind. Chance of precipitation is 30%.

    Low: 73 °F

    Mostly Clear
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 89. Light and variable wind becoming northwest around 6 mph in the morning. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. North wind 3 to 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. North northeast wind 6 to 9 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming southeast around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 73. Southeast wind 5 to 7 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 103. South wind around 8 mph.
Monday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly clear, with a low around 73. Light south wind. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 89. Light and variable wind becoming northwest around 6 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 71. North wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 84. North northeast wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 82.
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
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Exeter IL
 39.76°N 90.5°W (Elev. 577 ft)
Last Update:
1:11 pm CDT Aug 17, 2025
Forecast Valid:
1pm CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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