Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

23°F

-5°C

Humidity 92%
Wind Speed S 14 mph
Barometer 30.07 in (1019.4 mb)
Dewpoint 21°F (-6°C)
Visibility 8.00 mi
Wind Chill11°F (-12°C)
Last update 3 Dec 5:53 am CST
Extended Forecast for

5 Miles S Sullivan IL

  • Today

    Today: A 20 percent chance of snow after 5pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 32. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 32 °F

    Patchy Fog
    then Slight
    Chance Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 9pm.  Cloudy, with a low around 7. Wind chill values between -1 and 4. West wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 7 °F

    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 16. Wind chill values between -3 and 7. North wind 5 to 8 mph becoming calm  in the afternoon.

    High: 16 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 2. Light and variable wind.

    Low: 2 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30. South southwest wind 3 to 6 mph.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. South southwest wind 3 to 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. Light and variable wind.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

Detailed Forecast

Today
A 20 percent chance of snow after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 32. South wind 6 to 11 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of snow, mainly before 9pm. Cloudy, with a low around 7. Wind chill values between -1 and 4. West wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 16. Wind chill values between -3 and 7. North wind 5 to 8 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 2. Light and variable wind.
Friday
Mostly sunny, with a high near 30. South southwest wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 18. South southwest wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 30. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly cloudy, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Sullivan IL
 39.52°N 88.59°W (Elev. 617 ft)
5:36 am CST Dec 3, 2025
6am CST Dec 3, 2025-6pm CST Dec 9, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database