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

80°F

27°C

Humidity 62%
Wind Speed S 9 mph
Barometer 29.83 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 14 Apr 1:15 pm CDT
Extended Forecast for

Winchester IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 65. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 79. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 59. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 79. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West southwest wind around 6 mph becoming south after midnight.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 65. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday
Showers and possibly a thunderstorm. High near 79. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. 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 59. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 79. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 56. West southwest wind around 6 mph becoming south after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 6 to 14 mph, with gusts as high as 23 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 37.
Monday
Sunny, with a high near 66.
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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:
1:31 pm CDT Apr 14, 2026
Forecast Valid:
1pm CDT Apr 14, 2026-6pm CDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation