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

44°F

7°C

Humidity 64%
Wind Speed SW 7 mph
Barometer 30.27 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 6 Apr 12:55 am CDT
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Clear, with a low around 39. West southwest wind around 8 mph, with gusts as high as 16 mph.

    Low: 39 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 57. North northwest wind 8 to 15 mph, with gusts as high as 21 mph.

    High: 57 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A chance of rain before 3am, then snow, possibly mixed with rain. Low around 33. North northwest wind 9 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Slight Chance
    Rain then
    Rain/Snow

  • Tuesday

    Tuesday: Snow, mainly before 10am. High near 48. East wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Snow then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. East southeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71. South southeast wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. South wind around 14 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 39. West southwest wind around 8 mph, with gusts as high as 16 mph.
Monday
Increasing clouds, with a high near 57. North northwest wind 8 to 15 mph, with gusts as high as 21 mph.
Monday Night
A chance of rain before 3am, then snow, possibly mixed with rain. Low around 33. North northwest wind 9 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Snow, mainly before 10am. High near 48. East wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Mostly cloudy, with a low around 38. East southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 71. South southeast wind 14 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 53. South wind around 14 mph, with gusts as high as 25 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 72.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52.
Saturday
A chance of showers. Partly sunny, with a high near 75.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 59.
Sunday
A chance of showers. Mostly cloudy, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
12:41 am CDT Apr 6, 2026
Forecast Valid:
1am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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