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

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Partly Cloudy

75°F

24°C

Humidity 90%
Wind Speed SE 5 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Aug 6:53 am CDT
Extended Forecast for

Windsor IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly sunny, with a high near 90. Heat index values as high as 100. South wind around 6 mph becoming north northwest in the afternoon.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 68. North northeast wind 3 to 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 83. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. North northeast wind around 7 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. North northeast wind 6 to 8 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Northeast wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Light northeast wind.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly sunny, with a high near 90. Heat index values as high as 100. South wind around 6 mph becoming north northwest in the afternoon.
Tonight
Partly cloudy, with a low around 68. North northeast wind 3 to 5 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 83. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 63. North northeast wind around 7 mph.
Thursday
Sunny, with a high near 83. North northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 62. Northeast wind 3 to 6 mph.
Friday
Sunny, with a high near 85. Light northeast wind.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Windsor IL
 39.45°N 88.59°W (Elev. 689 ft)
Last Update:
6:40 am CDT Aug 19, 2025
Forecast Valid:
7am CDT Aug 19, 2025-6pm CDT Aug 25, 2025
 
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