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

30°F

-1°C

Humidity 61%
Wind Speed SW 9 mph
Barometer 30.27 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Jan 7:35 am CST
Extended Forecast for

Alsey IL

  • Today

    Today: Mostly sunny, with a high near 49. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 56. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 56 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. West southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 30 by 5pm. Breezy, with a north northwest wind 14 to 22 mph, with gusts as high as 34 mph.

    High: 40 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. North northwest wind 11 to 18 mph, with gusts as high as 31 mph.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. North northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow showers after noon. Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny
    then Chance
    Snow Showers

Detailed Forecast

Today
Mostly sunny, with a high near 49. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 35. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 56. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 35. West southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 30 by 5pm. Breezy, with a north northwest wind 14 to 22 mph, with gusts as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 15. North northwest wind 11 to 18 mph, with gusts as high as 31 mph.
Thursday
Mostly sunny, with a high near 29. North northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
A 30 percent chance of snow showers after noon. Partly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 24.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alsey IL
 39.56°N 90.45°W (Elev. 617 ft)
Last Update:
5:52 am CST Jan 12, 2026
Forecast Valid:
7am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation