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

80°F

27°C

Humidity 85%
Wind Speed S 9 mph
Barometer 29.93 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 29 Jun 11:55 pm CDT
Extended Forecast for

Lynnville IL

Heat Advisory June 30, 12:07am until July 3, 12:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 30, 12:07am until July 3, 12:00am

    NOW until 12:00am Fri

    Heat Advisory

  • Overnight

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Heat index values as high as 106. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

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

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 103. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 76. South wind 7 to 9 mph, with gusts as high as 16 mph.

    Low: 76 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. South southwest wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South wind 5 to 7 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 75. South wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 94. Heat index values as high as 106. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Clear, with a low around 75. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 103. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Clear, with a low around 76. South wind 7 to 9 mph, with gusts as high as 16 mph.
Thursday
Sunny, with a high near 93. South southwest wind 7 to 9 mph, with gusts as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 75. South wind 5 to 7 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 73.
Independence Day
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A chance of showers. Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lynnville IL
 39.71°N 90.35°W (Elev. 623 ft)
Last Update:
11:21 pm CDT Jun 29, 2026
Forecast Valid:
12am CDT Jun 30, 2026-6pm CDT Jul 6, 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