Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

39°F

4°C

Humidity 46%
Wind Speed S 17 G 35 mph
Barometer 29.60 in (1003.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 24 Feb 3:53 pm CST
Extended Forecast for

Sullivan IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South southwest wind 6 to 16 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

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

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of snow.  Mostly cloudy, with a low around 28. Light and variable wind becoming east northeast 5 to 7 mph in the evening.  Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 46. East northeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Light and variable wind becoming south southwest around 6 mph after midnight.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. South southwest wind 8 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 28. South southwest wind 6 to 16 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.
Wednesday
Mostly sunny, with a high near 46. West northwest wind 5 to 9 mph.
Wednesday Night
A chance of rain before 8pm, then a chance of snow. Mostly cloudy, with a low around 28. Light and variable wind becoming east northeast 5 to 7 mph in the evening. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 46. East northeast wind 5 to 7 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 29. Light and variable wind becoming south southwest around 6 mph after midnight.
Friday
Sunny, with a high near 59. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 35. South southwest wind 8 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A chance of rain and snow after noon. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25.
Monday
A chance of rain and snow. Partly sunny, with a high near 41.
Monday Night
A chance of rain. Mostly cloudy, with a low around 28.
Tuesday
A chance of rain. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.59°N 88.61°W (Elev. 669 ft)
3:36 pm CST Feb 24, 2026
4pm CST Feb 24, 2026-6pm CST Mar 3, 2026
 
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Additional Resources

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