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

38°F

3°C

Humidity 88%
Wind Speed E 12 mph
Barometer 30.21 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 2 Mar 4:35 pm CST
Extended Forecast for

Winchester IL

  • Tonight

    Tonight: Showers, mainly after 3am. Low around 37. East southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Cloudy then
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 3pm. High near 52. East southeast wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Patchy fog. Low around 44. East northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 3pm. Patchy fog before 7am. High near 60. East wind around 6 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 51. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 66. West southwest wind 5 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 50. West wind 5 to 8 mph becoming southeast in the evening. Winds could gust as high as 16 mph.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 90%.

    Low: 55 °F

    Showers
    Likely then
    Showers

Detailed Forecast

Tonight
Showers, mainly after 3am. Low around 37. East southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 3pm. High near 52. East southeast wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Patchy fog. Low around 44. East northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 3pm. Patchy fog before 7am. High near 60. East wind around 6 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 51. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 66. West southwest wind 5 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 50. West wind 5 to 8 mph becoming southeast in the evening. Winds could gust as high as 16 mph.
Friday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 90%.
Saturday
Showers likely before noon. Cloudy, with a high near 67. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 69.
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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:
4:41 pm CST Mar 2, 2026
Forecast Valid:
4pm CST Mar 2, 2026-6pm CDT Mar 9, 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