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

77°F

25°C

Humidity 68%
Wind Speed S 7 mph
Barometer 30.01 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 9:50 am CDT
Extended Forecast for

Winchester IL

Heat Advisory June 21, 12:00pm until June 24, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers before noon. Mostly sunny, with a high near 89. South wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 89 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 103. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94. South southwest wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers before noon. Mostly sunny, with a high near 89. South wind 10 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 76. South wind around 11 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 103. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Saturday Night
Clear, with a low around 75. South wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 94. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 74. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 94. South southwest wind 7 to 9 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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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:
9:56 am CDT Jun 20, 2025
Forecast Valid:
10am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation