Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

41°F

5°C

Humidity 57%
Wind Speed SW 13 G 26 mph
Barometer 29.62 in (1003.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 24 Feb 10:53 pm CST
Extended Forecast for

Sullivan IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. West southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 46. West northwest wind 5 to 9 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 1am, then a chance of snow between 1am and 5am.  Mostly cloudy, with a low around 27. Calm wind becoming north around 6 mph in the evening.  Chance of precipitation is 50%.

    Low: 27 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 47. East northeast wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Light and variable wind becoming south southwest around 6 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. South southwest wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 28. West southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 46. West northwest wind 5 to 9 mph.
Wednesday Night
A chance of rain and snow before 1am, then a chance of snow between 1am and 5am. Mostly cloudy, with a low around 27. Calm wind becoming north around 6 mph in the evening. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 47. East northeast wind 5 to 7 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 30. Light and variable wind becoming south southwest around 6 mph after midnight.
Friday
Sunny, with a high near 61. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 36. South southwest wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of rain and snow after noon. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 23.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 35.
Monday Night
A chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A chance of rain. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.59°N 88.61°W (Elev. 669 ft)
11:27 pm CST Feb 24, 2026
11pm CST Feb 24, 2026-6pm CST Mar 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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