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

28°F

-2°C

Humidity 65%
Wind Speed S 9 mph
Barometer 30.29 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 12 Jan 4:15 am CST
Extended Forecast for

2 Miles WSW Chapin IL

  • Today

    Today: Sunny, with a high near 48. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 54. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

    Low: 34 °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: 38 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. North northwest wind 11 to 18 mph, with gusts as high as 31 mph.

    Low: 16 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. North northwest wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    Showers then
    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
Sunny, with a high near 48. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 35. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 54. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 34. West southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 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 16. North northwest wind 11 to 18 mph, with gusts as high as 31 mph.
Thursday
Mostly sunny, with a high near 28. North northwest wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A 30 percent chance of snow showers before midnight. 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 16.
Saturday
Mostly cloudy, with a high near 24.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Chapin IL
 39.75°N 90.44°W (Elev. 614 ft)
Last Update:
3:24 am CST Jan 12, 2026
Forecast Valid:
4am CST Jan 12, 2026-6pm CST Jan 18, 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