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.

Overcast

69°F

21°C

Humidity 96%
Wind Speed S 6 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 17 Jun 12:53 am CDT
Extended Forecast for

Windsor IL

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 69. Light south wind.

    Low: 69 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 85. South southwest wind 3 to 6 mph.

    High: 85 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 71. South wind 5 to 7 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 10am. High near 84. South southwest wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 66 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 81. West northwest wind 5 to 7 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Light southwest wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 69. Light south wind.
Tuesday
Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 85. South southwest wind 3 to 6 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 71. South wind 5 to 7 mph.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 10am. High near 84. South southwest wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Juneteenth
Mostly sunny, with a high near 81. West northwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 65. Light southwest wind.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Windsor IL
 39.43°N 88.59°W (Elev. 715 ft)
Last Update:
12:41 am CDT Jun 17, 2025
Forecast Valid:
1am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation