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Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

66°F

19°C

Humidity 73%
Wind Speed SW 10 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 4:53 am CDT
Extended Forecast for

Windsor IL

  • Columbus Day

    Columbus Day: Partly sunny, then gradually becoming sunny, with a high near 90. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 90 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 68. South southwest wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: 68 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Southwest wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 69. South southwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 81. West wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 62. East northeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 78. East northeast wind 6 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 62. Breezy.

    High: 62 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 90. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Tonight
Clear, with a low around 68. South southwest wind 7 to 9 mph, with gusts as high as 17 mph.
Tuesday
Sunny, with a high near 92. Southwest wind 9 to 11 mph, with gusts as high as 17 mph.
Tuesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 69. South southwest wind around 6 mph. Chance of precipitation is 40%.
Wednesday
Showers and possibly a thunderstorm. High near 81. West wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 62. East northeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 78. East northeast wind 6 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 62. Breezy.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 60.
Saturday Night
Clear, with a low around 35.
Sunday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Windsor IL
 39.43°N 88.59°W (Elev. 715 ft)
Last Update:
4:36 am CDT Oct 12, 2026
Forecast Valid:
5am CDT Oct 12, 2026-6pm CDT Oct 18, 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