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.

Mostly Cloudy

86°F

30°C

Humidity 74%
Wind Speed S 10 mph
Barometer 29.94 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 29 Jun 12:35 pm CDT
Extended Forecast for

Palmyra IL

Heat Advisory June 29, 12:46pm until July 3, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 29, 12:46pm until July 3, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. South wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 96. Heat index values as high as 105. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 74. South wind 5 to 8 mph.

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. South wind 5 to 9 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 94. Heat index values as high as 105. South wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 74. South wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 96. Heat index values as high as 105. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 74. South wind 5 to 8 mph.
Wednesday
Sunny, with a high near 95. South wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 96.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 73.
Independence Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Palmyra IL
 39.41°N 90°W (Elev. 659 ft)
Last Update:
12:01 pm CDT Jun 29, 2026
Forecast Valid:
12pm CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
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