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.

A Few Clouds

34°F

1°C

Humidity 67%
Wind Speed SW 16 G 38 mph
Barometer 29.59 in (1002.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 20 Feb 4:53 am CST
Extended Forecast for

Sullivan IL

Wind Advisory February 20, 05:56am until February 20, 09:00am
Click here for hazard details and duration
...
  •  
    Wind Advisory February 20, 05:56am until February 20, 09:00am

    NOW until 9:00am Fri

    Wind Advisory

  • Today

    High: 41 °F

    Becoming
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 24. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 39. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 39 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. West northwest wind 10 to 16 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31. Blustery, with a northwest wind 16 to 23 mph, with gusts as high as 33 mph.

    High: 31 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16. Northwest wind around 16 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 32. North northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 41. Breezy, with a west wind 16 to 26 mph, with gusts as high as 43 mph.
Tonight
Mostly clear, with a low around 24. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 39. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 21. West northwest wind 10 to 16 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 31. Blustery, with a northwest wind 16 to 23 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 16. Northwest wind around 16 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 32. North northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.61°N 88.61°W (Elev. 669 ft)
Last Update:
5:06 am CST Feb 20, 2026
Forecast Valid:
5am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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