National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Overcast

12°F

-11°C

Humidity 56%
Wind Speed SW 6 mph
Barometer 30.41 in
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 20 Jan 2:35 am CST
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 7. Wind chill values between -1 and 4. Southwest wind around 6 mph.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. Wind chill values between zero and 10. South wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. South southeast wind 10 to 16 mph becoming southwest after midnight. Winds could gust as high as 26 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 38. West wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 38 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19. Southwest wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 32. West northwest wind 5 to 8 mph, with gusts as high as 16 mph.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 4. Light west northwest wind becoming north 8 to 13 mph in the evening. Winds could gust as high as 20 mph.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 10.

    High: 10 °F

    Cold

  • Friday Night

    Friday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 7. Wind chill values between -1 and 4. Southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 32. Wind chill values between zero and 10. South wind 5 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 26. South southeast wind 10 to 16 mph becoming southwest after midnight. Winds could gust as high as 26 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 38. West wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 19. Southwest wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Thursday
Mostly sunny, with a high near 32. West northwest wind 5 to 8 mph, with gusts as high as 16 mph.
Thursday Night
Mostly cloudy, with a low around 4. Light west northwest wind becoming north 8 to 13 mph in the evening. Winds could gust as high as 20 mph.
Friday
Mostly cloudy and cold, with a high near 10.
Friday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around -1.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 12.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 2.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 25.
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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:
2:36 am CST Jan 20, 2026
Forecast Valid:
2am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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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