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.

Mostly Cloudy

67°F

19°C

Humidity 70%
Wind Speed E 6 mph
Barometer 30.23 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 23 Jul 9:35 am CDT
Extended Forecast for

Alsey IL

  • Today

    Today: Sunny, with a high near 78. East wind around 6 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. Light east wind.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 10am. Mostly cloudy, with a high near 75. South southeast wind 3 to 6 mph.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 63. South southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A chance of thunderstorms before 7am. Partly sunny, with a high near 86. South southeast wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 78. East wind around 6 mph.
Tonight
Mostly cloudy, with a low around 60. Light east wind.
Friday
A 30 percent chance of showers, mainly after 10am. Mostly cloudy, with a high near 75. South southeast wind 3 to 6 mph.
Friday Night
Showers likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 63. South southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of thunderstorms before 7am. Partly sunny, with a high near 86. South southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 69. Calm wind.
Sunday
Mostly sunny, with a high near 91. Light and variable wind.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alsey IL
 39.56°N 90.45°W (Elev. 617 ft)
Last Update:
9:31 am CDT Jul 23, 2026
Forecast Valid:
9am CDT Jul 23, 2026-6pm CDT Jul 29, 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