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.

Overcast

34°F

1°C

Humidity 74%
Wind Speed S 7 mph
Barometer 30.27 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 12 Feb 6:55 am CST
Extended Forecast for

Winchester IL

  • Today

    Today: Mostly cloudy, with a high near 52. Calm wind becoming south 5 to 9 mph in the morning.

    High: 52 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 31. South southeast wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 57. South wind 3 to 7 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 34. Calm wind.

    Low: 34 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 50 percent chance of rain after noon. Cloudy, with a high near 52. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 52 °F

    Cloudy then
    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 38. East southeast wind around 6 mph becoming north northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely
    then Chance
    Rain

  • Sunday

    Sunday: Sunny, with a high near 58. North northeast wind 5 to 7 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 52. Calm wind becoming south 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 31. South southeast wind 5 to 7 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 57. South wind 3 to 7 mph.
Friday Night
Increasing clouds, with a low around 34. Calm wind.
Saturday
A 50 percent chance of rain after noon. Cloudy, with a high near 52. Calm wind becoming southeast 5 to 7 mph in the morning.
Saturday Night
Rain likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 38. East southeast wind around 6 mph becoming north northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Sunny, with a high near 58. North northeast wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 33.
Washington's Birthday
Mostly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winchester IL
 39.62°N 90.44°W (Elev. 499 ft)
Last Update:
6:36 am CST Feb 12, 2026
Forecast Valid:
7am CST Feb 12, 2026-6pm CST Feb 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