National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

45°F

7°C

Humidity 46%
Wind Speed NW 10 mph
Barometer 30.26 in (1025.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 11 Feb 3:53 pm CST
Extended Forecast for

Windsor IL

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Northwest wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 47. Calm wind becoming south southwest around 5 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 50. South wind 5 to 9 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. South wind 3 to 5 mph.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 51. South southeast wind 5 to 7 mph.

    High: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 38. East southeast wind 6 to 8 mph becoming northeast after midnight.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 27. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 47. Calm wind becoming south southwest around 5 mph.
Thursday Night
Partly cloudy, with a low around 28. Calm wind becoming south southeast around 5 mph after midnight.
Friday
Sunny, with a high near 50. South wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 31. South wind 3 to 5 mph.
Saturday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 51. South southeast wind 5 to 7 mph.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38. East southeast wind 6 to 8 mph becoming northeast after midnight.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 32.
Washington's Birthday
Partly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Mostly sunny, with a high near 63.
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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:
3:36 pm CST Feb 11, 2026
Forecast Valid:
4pm CST Feb 11, 2026-6pm CST Feb 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