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Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Overcast

70°F

21°C

Humidity 98%
Wind Speed W 9 mph
Barometer 29.72 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 21 Jun 8:15 pm CDT
Extended Forecast for

Jacksonville IL

Flood Watch June 21, 08:23pm until June 22, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 21, 08:23pm until June 22, 01:00am

    NOW until 1:00am Mon

    Flood Watch

  • Tonight

    Low: 59 °F

    Chance
    T-storms then
    Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. East wind 3 to 5 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Light east wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 82. South southeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. Light southwest wind.

    Low: 64 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Cloudy, with a low around 59. West wind 8 to 11 mph becoming north after midnight. Winds could gust as high as 22 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind 9 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 56. North northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79. East wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 60. Light east wind.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 82. South southeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. Light southwest wind.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 62.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
7:21 pm CDT Jun 21, 2026
Forecast Valid:
8pm CDT Jun 21, 2026-6pm CDT Jun 28, 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