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

50°F

10°C

Humidity 98%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 49°F (9°C)
Visibility 0.50 mi
Last update 20 Nov 11:55 pm CST
Extended Forecast for

Chapin IL

Dense Fog Advisory November 21, 12:08am until November 21, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory November 21, 12:08am until November 21, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 48 °F

    Rain Likely
    and Areas
    Dense Fog

  • Friday

    Friday: Rain. Areas of dense fog before noon. High near 53. Northeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain and
    Areas Dense
    Fog

  • Friday Night

    Friday Night: A chance of rain before 3am, then a slight chance of rain and snow. Cloudy, then gradually becoming partly cloudy, with a low around 36. North wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: Sunny, with a high near 54. North wind around 5 mph becoming calm in the morning.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Calm wind becoming west southwest around 5 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Southwest wind 3 to 6 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Rain likely, mainly after noon. Cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

Detailed Forecast

Overnight
Rain likely, mainly after 5am. Areas of dense fog. Otherwise, cloudy, with a low around 48. Northeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. Areas of dense fog before noon. High near 53. Northeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain before 3am, then a slight chance of rain and snow. Cloudy, then gradually becoming partly cloudy, with a low around 36. North wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 54. North wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 35. Calm wind becoming west southwest around 5 mph.
Sunday
Sunny, with a high near 60. Southwest wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 41. Calm wind becoming south southeast around 6 mph after midnight.
Monday
Rain likely, mainly after noon. Cloudy, with a high near 56. Chance of precipitation is 60%.
Monday Night
Rain, mainly before midnight. Low around 47. Chance of precipitation is 80%.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 26.
Thanksgiving Day
Partly sunny, with a high near 41.
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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:
11:46 pm CST Nov 20, 2025
Forecast Valid:
12am CST Nov 21, 2025-6pm CST Nov 27, 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