Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Thunderstorm

65°F

18°C

Humidity 93%
Wind Speed W 9 mph
Barometer 29.83 in
Dewpoint 63°F (17°C)
Visibility 4.00 mi
Last update 21 Jun 11:15 am CDT
Extended Forecast for

4 Miles NW Alexander IL

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

    NOW until 1:00am Mon

    Flood Watch

  • Today

    High: 76 °F

    Heavy Rain

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 58. West wind 10 to 13 mph becoming north northwest after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 40%.

    Low: 58 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 75. North wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northeast wind 3 to 7 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 78. East northeast wind 3 to 5 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Light and variable wind becoming west southwest 5 to 8 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms, mainly before 5pm. Some of the storms could produce heavy rainfall. High near 76. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 58. West wind 10 to 13 mph becoming north northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Monday
Mostly cloudy, with a high near 75. North wind 11 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northeast wind 3 to 7 mph.
Tuesday
Sunny, with a high near 78. East northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 59. Light and variable wind.
Wednesday
Mostly sunny, with a high near 81. Light and variable wind becoming west southwest 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Alexander IL
 39.74°N 90.09°W (Elev. 643 ft)
9:16 am CDT Jun 21, 2026
11am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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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