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.

Fog/Mist

49°F

9°C

Humidity 93%
Wind Speed S 18 G 36 mph
Barometer 29.78 in (1008.6 mb)
Dewpoint 47°F (8°C)
Visibility 5.00 mi
Wind Chill43°F (6°C)
Last update 17 Feb 4:53 pm CST
Extended Forecast for

Sullivan IL

Wind Advisory February 17, 07:00pm until February 18, 01:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: A chance of sprinkles. Cloudy, with a steady temperature around 51. South wind around 16 mph, with gusts as high as 31 mph.

    High: 51 °F

    Chance
    Sprinkles

  • Tonight

    Tonight: A chance of sprinkles between 10pm and 11pm, then a chance of rain after 11pm. Cloudy, with a low around 52. Breezy, with a south wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 68. West southwest wind 9 to 18 mph, with gusts as high as 29 mph.

    High: 68 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 47. South southeast wind 6 to 8 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain likely, mainly after noon. Partly sunny, with a high near 67. South southeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before midnight. Partly cloudy, with a low around 35. South wind 10 to 18 mph becoming west after midnight. Winds could gust as high as 26 mph.

    Low: 35 °F

    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 45. West wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of sprinkles. Cloudy, with a steady temperature around 51. South wind around 16 mph, with gusts as high as 31 mph.
Tonight
A chance of sprinkles between 10pm and 11pm, then a chance of rain after 11pm. Cloudy, with a low around 52. Breezy, with a south wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 50%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 68. West southwest wind 9 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Increasing clouds, with a low around 47. South southeast wind 6 to 8 mph.
Thursday
Rain likely, mainly after noon. Partly sunny, with a high near 67. South southeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 35. South wind 10 to 18 mph becoming west after midnight. Winds could gust as high as 26 mph.
Friday
Sunny, with a high near 45. West wind 10 to 18 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 40.
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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:
5:01 pm CST Feb 17, 2026
Forecast Valid:
5pm CST Feb 17, 2026-6pm CST Feb 24, 2026
 
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Additional Resources

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Chance of Precipitation