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

75°F

24°C

Humidity 98%
Wind Speed E 5 mph
Barometer 30.07 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 16 Aug 1:30 am CDT
Extended Forecast for

4 Miles W Lynnville IL

Heat Advisory August 16, 12:00pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 75. South wind around 6 mph.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 95. Heat index values as high as 104. South southwest wind around 7 mph.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Light south wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Heat index values as high as 102. Light south wind.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South southeast wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96. South southwest wind around 6 mph.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. Light south wind.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. South wind around 6 mph.
Saturday
Sunny and hot, with a high near 95. Heat index values as high as 104. South southwest wind around 7 mph.
Saturday Night
Mostly clear, with a low around 74. Light south wind.
Sunday
Sunny and hot, with a high near 96. Heat index values as high as 102. Light south wind.
Sunday Night
Mostly clear, with a low around 75. South southeast wind 3 to 5 mph.
Monday
Sunny and hot, with a high near 96. South southwest wind around 6 mph.
Monday Night
Mostly clear, with a low around 75. Light south wind.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Lynnville IL
 39.69°N 90.41°W (Elev. 584 ft)
Last Update:
1:41 am CDT Aug 16, 2025
Forecast Valid:
1am CDT Aug 16, 2025-6pm CDT Aug 22, 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