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

36°F

2°C

Humidity 72%
Wind Speed S 8 mph
Barometer 30.18 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Feb 4:15 am CST
Extended Forecast for

Winchester IL

  • Today

    Today: Sunny, with a high near 59. South southwest wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. South wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain likely, mainly after noon. Cloudy, with a high near 51. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday Night

    Saturday Night: Rain, mainly before midnight. Low around 40. East wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain then
    Chance Rain

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 58. North northeast wind 3 to 7 mph.

    High: 58 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 60. Calm wind becoming south 5 to 8 mph in the morning.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 59. South southwest wind 6 to 11 mph, with gusts as high as 17 mph.
Tonight
Increasing clouds, with a low around 35. South wind around 5 mph becoming calm in the evening.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 51. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain, mainly before midnight. Low around 40. East wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 58. North northeast wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 36. Calm wind.
Washington's Birthday
Partly sunny, with a high near 60. Calm wind becoming south 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly cloudy, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winchester IL
 39.62°N 90.44°W (Elev. 499 ft)
Last Update:
3:36 am CST Feb 13, 2026
Forecast Valid:
4am CST Feb 13, 2026-6pm CST Feb 19, 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