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.

Fog/Mist

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 30.04 in (1016.7 mb)
Dewpoint 68°F (20°C)
Visibility 6.00 mi
Last update 14 Jul 2:53 am CDT
Extended Forecast for

3 Miles W Windsor IL

Dense Fog Advisory until July 14, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until July 14, 10:00am

    NOW until 10:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 68 °F

    Areas Dense
    Fog

  • Monday

    Monday: Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming east northeast around 5 mph.

    High: 85 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Light east southeast wind.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 70. Light south southeast wind.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southwest wind 3 to 7 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Mostly clear, with a low around 72. South southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Monday
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming east northeast around 5 mph.
Monday Night
Partly cloudy, with a low around 70. Light east southeast wind.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 70. Light south southeast wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southwest wind 3 to 7 mph.
Wednesday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Mostly clear, with a low around 72. South southwest wind around 6 mph. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 69.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Windsor IL
 39.46°N 88.65°W (Elev. 659 ft)
Last Update:
1:56 am CDT Jul 14, 2025
Forecast Valid:
3am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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