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

42°F

6°C

Humidity 66%
Wind Speed NW 20 G 26 mph
Barometer 29.98 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 18 Apr 8:55 am CDT
Extended Forecast for

Winchester IL

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 56. Northwest wind around 16 mph, with gusts as high as 28 mph.

    High: 56 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Northwest wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 63. West northwest wind 5 to 15 mph, with gusts as high as 24 mph.

    High: 63 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. North northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Light east wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 56. Northwest wind around 16 mph, with gusts as high as 28 mph.
Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Northwest wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 63. West northwest wind 5 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 35. North northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 65. Light east wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Monday Night
Mostly clear, with a low around 48. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Showers likely. Mostly cloudy, with a low around 60.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 76.
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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:
7:36 am CDT Apr 18, 2026
Forecast Valid:
9am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
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