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.

Fair

65°F

18°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 30.01 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 4 Aug 12:55 am CDT
Extended Forecast for

Alsey IL

  • Overnight

    Overnight: Clear, with a low around 64. Light southeast wind.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. South southeast wind 3 to 6 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. South southeast wind around 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. South wind around 6 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, then showers and possibly a thunderstorm after 7pm. Low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Showers

  • Thursday

    Thursday: Showers likely before 1pm. Mostly cloudy, with a high near 83. Light and variable wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 64. Light southeast wind.
Tuesday
Sunny, with a high near 87. South southeast wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 67. South southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 87. South wind around 6 mph.
Wednesday Night
Showers likely, then showers and possibly a thunderstorm after 7pm. Low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers likely before 1pm. Mostly cloudy, with a high near 83. Light and variable wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Partly cloudy, with a low around 64. Light and variable wind.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 71.
Monday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alsey IL
 39.58°N 90.42°W (Elev. 525 ft)
Last Update:
12:36 am CDT Aug 4, 2026
Forecast Valid:
1am CDT Aug 4, 2026-6pm CDT Aug 10, 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