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.

Fair

74°F

23°C

Humidity 52%
Wind Speed S 16 G 22 mph
Barometer 29.83 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 30 Mar 10:15 pm CDT
Extended Forecast for

Winchester IL

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. South southwest wind around 13 mph, with gusts as high as 24 mph.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 83. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 83 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 1am, then showers and possibly a thunderstorm after 1am. Low around 51. Southwest wind 8 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 64. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 55. East wind around 10 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after 10am. High near 75. South wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Rain

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 52. South southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 63. South southwest wind around 13 mph, with gusts as high as 24 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 83. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 31 mph.
Tuesday Night
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm after 1am. Low around 51. Southwest wind 8 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 64. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain and possibly a thunderstorm. Low around 55. East wind around 10 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain likely, then rain and possibly a thunderstorm after 10am. High near 75. South wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 52. South southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 78.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 62.
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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:
5:57 pm CDT Mar 30, 2026
Forecast Valid:
10pm CDT Mar 30, 2026-6pm CDT Apr 6, 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