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Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

38°F

3°C

Humidity 96%
Wind Speed NW 6 mph
Barometer 30.49 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 17 Oct 2:15 am CDT
Extended Forecast for

South Jacksonville IL

Frost Advisory October 17, 02:36am until October 17, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory October 17, 02:36am until October 17, 09:00am

    NOW until 9:00am Sat

    Frost Advisory

  • Overnight

    Low: 34 °F

    Areas Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, sunny, with a high near 60. North northwest wind around 5 mph becoming calm in the morning.

    High: 60 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36. Calm wind becoming south around 5 mph after midnight.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 66. South wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 66 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 36. Light south southeast wind.

    Low: 36 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Light south southeast wind.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Overnight
Areas of frost after 5am. Otherwise, clear, with a low around 34. North wind around 8 mph, with gusts as high as 15 mph.
Saturday
Areas of frost before 9am. Otherwise, sunny, with a high near 60. North northwest wind around 5 mph becoming calm in the morning.
Saturday Night
Clear, with a low around 36. Calm wind becoming south around 5 mph after midnight.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 66. South wind 6 to 9 mph, with gusts as high as 16 mph.
Sunday Night
Clear, with a low around 36. Light south southeast wind.
Monday
Sunny, with a high near 72. Light south southeast wind.
Monday Night
Partly cloudy, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Jacksonville IL
 39.7°N 90.21°W (Elev. 591 ft)
Last Update:
1:41 am CDT Oct 17, 2026
Forecast Valid:
2am CDT Oct 17, 2026-6pm CDT Oct 23, 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