National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Overcast

63°F

17°C

Humidity 100%
Wind Speed NE 9 mph
Barometer 30.08 in
Dewpoint 63°F (17°C)
Visibility 7.00 mi
Last update 21 Sep 7:15 pm CDT
Extended Forecast for

Alexander IL

  • Tonight

    Tonight: A chance of sprinkles. Mostly cloudy, with a low around 58. Northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Chance
    Sprinkles

  • Tuesday

    Tuesday: A chance of sprinkles before 11am. Mostly cloudy, with a high near 68. Northeast wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 68 °F

    Chance
    Sprinkles

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. Northeast wind 5 to 9 mph, with gusts as high as 16 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Northeast wind 3 to 8 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Northeast wind 3 to 6 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. East northeast wind 3 to 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of sprinkles. Mostly cloudy, with a low around 58. Northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Tuesday
A chance of sprinkles before 11am. Mostly cloudy, with a high near 68. Northeast wind 8 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 52. Northeast wind 5 to 9 mph, with gusts as high as 16 mph.
Wednesday
Mostly sunny, with a high near 72. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 53. Northeast wind 3 to 8 mph.
Thursday
Mostly sunny, with a high near 73. Northeast wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 54. East northeast wind 3 to 5 mph.
Friday
Partly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Mostly cloudy, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alexander IL
 39.72°N 90.04°W (Elev. 650 ft)
Last Update:
3:36 pm CDT Sep 21, 2026
Forecast Valid:
7pm CDT Sep 21, 2026-6pm CDT Sep 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