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

47°F

8°C

Humidity 36%
Wind Speed E 6 mph
Barometer 30.11 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 28 Feb 9:55 am CST
Extended Forecast for

Jacksonville IL

  • Today

    Today: A slight chance of rain between 3pm and 4pm. Partly sunny, with a high near 57. East wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 57 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tonight

    Tonight: Mostly clear, with a low around 24. North northeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 40. Northeast wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Snow likely, mainly after 9pm. Cloudy, with a low around 27. East wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow Likely

  • Monday

    Monday: A chance of snow before 9am, then a chance of rain between 9am and noon. Cloudy, with a high near 40. East southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow
    then Cloudy

  • Monday Night

    Monday Night: Rain. Low around 34. Southeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain Likely
    then Rain

  • Tuesday

    Tuesday: Rain. High near 52. South southeast wind around 9 mph becoming north in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, with thunderstorms also possible after midnight. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely

Detailed Forecast

Today
A slight chance of rain between 3pm and 4pm. Partly sunny, with a high near 57. East wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 24. North northeast wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 40. Northeast wind 9 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Snow likely, mainly after 9pm. Cloudy, with a low around 27. East wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Monday
A chance of snow before 9am, then a chance of rain between 9am and noon. Cloudy, with a high near 40. East southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Rain. Low around 34. Southeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 52. South southeast wind around 9 mph becoming north in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain, with thunderstorms also possible after midnight. Low around 41. Chance of precipitation is 80%.
Wednesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
Rain likely. Cloudy, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
9:56 am CST Feb 28, 2026
Forecast Valid:
10am CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation