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.

Fair

50°F

10°C

Humidity 80%
Wind Speed S 12 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 17 Feb 10:53 am CST
Extended Forecast for

4 Miles ENE Sullivan IL

  • This Afternoon

    This Afternoon: A chance of sprinkles after 5pm. Cloudy, with a high near 57. South wind 14 to 16 mph, with gusts as high as 30 mph.

    High: 57 °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 21 mph, with gusts as high as 39 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 10 to 18 mph, with gusts as high as 31 mph.

    High: 68 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Increasing clouds, with a low around 46. South southeast wind 6 to 8 mph.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 67. South southeast wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance Rain
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 35. South wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 24 mph.

    Low: 35 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 46. Breezy, with a west wind 11 to 21 mph, with gusts as high as 30 mph.

    High: 46 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of sprinkles after 5pm. Cloudy, with a high near 57. South wind 14 to 16 mph, with gusts as high as 30 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 21 mph, with gusts as high as 39 mph. Chance of precipitation is 50%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 68. West southwest wind 10 to 18 mph, with gusts as high as 31 mph.
Wednesday Night
A 30 percent chance of rain after midnight. Increasing clouds, with a low around 46. South southeast wind 6 to 8 mph.
Thursday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 67. South southeast wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 35. South wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 24 mph.
Friday
Sunny, with a high near 46. Breezy, with a west wind 11 to 21 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Sullivan IL
 39.61°N 88.52°W (Elev. 650 ft)
Last Update:
11:36 am CST Feb 17, 2026
Forecast Valid:
12pm CST Feb 17, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation