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Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Light Snow and Breezy

19°F

-7°C

Humidity 74%
Wind Speed NW 21 G 32 mph
Barometer 30.06 in (1018.9 mb)
Dewpoint 12°F (-11°C)
Visibility 5.00 mi
Wind Chill3°F (-16°C)
Last update 16 Mar 11:53 pm CDT
Extended Forecast for

Sullivan IL

  • Tonight

    Tonight: A chance of flurries. Mostly cloudy, with a low around 12. Wind chill values between -1 and 5. West northwest wind 15 to 18 mph, with gusts as high as 32 mph.

    Low: 12 °F

    Chance
    Flurries

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. Wind chill values between -1 and 9. West northwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 24. Light south wind becoming south southeast 9 to 14 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 53. South wind 11 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. South southwest wind around 6 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. South southwest wind 6 to 8 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Southwest wind around 6 mph becoming east in the evening.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of flurries. Mostly cloudy, with a low around 12. Wind chill values between -1 and 5. West northwest wind 15 to 18 mph, with gusts as high as 32 mph.
Tuesday
Partly sunny, with a high near 27. Wind chill values between -1 and 9. West northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 24. Light south wind becoming south southeast 9 to 14 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 53. South wind 11 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 36. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 64. South southwest wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 42. Southwest wind around 6 mph becoming east in the evening.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.59°N 88.61°W (Elev. 669 ft)
Last Update:
11:46 pm CDT Mar 16, 2026
Forecast Valid:
11pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
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Additional Resources

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Chance of Precipitation