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

31°F

-1°C

Humidity 67%
Wind Speed E 10 mph
Barometer 30.29 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 28 Nov 11:55 pm CST
Extended Forecast for

Chapin IL

Winter Storm Warning until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until November 30, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • Overnight

    Low: 28 °F

    Snow

  • Saturday

    Saturday: Snow before 1pm, then rain and snow. The snow could be heavy at times. High near 36. Breezy, with a southeast wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 36 °F

    Breezy. Heavy
    Snow then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow likely before 10pm, then a chance of snow. Cloudy, with a low around 21. Breezy, with a south wind 16 to 21 mph becoming west northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Breezy.
    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 26. West northwest wind 9 to 18 mph, with gusts as high as 29 mph.

    High: 26 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 12 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of snow after noon. Cloudy, with a high near 24. Calm wind.

    High: 24 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 12. Light and variable wind.

    Low: 12 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow, mainly after 1am. Low around 28. East southeast wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Saturday
Snow before 1pm, then rain and snow. The snow could be heavy at times. High near 36. Breezy, with a southeast wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Rain and snow likely before 10pm, then a chance of snow. Cloudy, with a low around 21. Breezy, with a south wind 16 to 21 mph becoming west northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Mostly cloudy, with a high near 26. West northwest wind 9 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 12. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Monday
A 50 percent chance of snow after noon. Cloudy, with a high near 24. Calm wind.
Monday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 12. Light and variable wind.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Mostly cloudy, with a high near 32.
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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:
8:37 pm CST Nov 28, 2025
Forecast Valid:
12am CST Nov 29, 2025-6pm CST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

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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