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.

Partly Cloudy

45°F

7°C

Humidity 76%
Wind Speed W 12 mph
Barometer 30.07 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 9 Jan 10:55 am CST
Extended Forecast for

Chapin IL

  • Today

    Today: Partly sunny, with a high near 47. West northwest wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Calm wind becoming west northwest 5 to 8 mph after midnight.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A slight chance of rain and snow before 9am, then a slight chance of rain between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 41. West northwest wind 9 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. West northwest wind 14 to 17 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 34. Northwest wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 34 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 47. West northwest wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Tonight
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Calm wind becoming west northwest 5 to 8 mph after midnight.
Saturday
A slight chance of rain and snow before 9am, then a slight chance of rain between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 41. West northwest wind 9 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 21. West northwest wind 14 to 17 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 34. Northwest wind 7 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 25. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 47. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly cloudy, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chapin IL
 39.78°N 90.44°W (Elev. 630 ft)
Last Update:
9:37 am CST Jan 9, 2026
Forecast Valid:
11am CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation