National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast and Breezy

23°F

-5°C

Humidity 55%
Wind Speed NW 21 G 30 mph
Barometer 30.39 in (1030.0 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 22 Feb 5:53 pm CST
Extended Forecast for

Martinsville IL

  • Tonight

    Tonight: A chance of flurries before 10pm. Mostly cloudy, with a low around 17. Wind chill values between 3 and 13. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Chance
    Flurries

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 32. Wind chill values between 2 and 12. North northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 32 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 19. Northwest wind around 6 mph becoming calm.

    Low: 19 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 44. Breezy, with a south wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 44 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. South southwest wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. West wind 7 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. South wind 6 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain before noon. Partly sunny, with a high near 46.

    High: 46 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of flurries before 10pm. Mostly cloudy, with a low around 17. Wind chill values between 3 and 13. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 32. Wind chill values between 2 and 12. North northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Monday Night
Increasing clouds, with a low around 19. Northwest wind around 6 mph becoming calm.
Tuesday
Mostly cloudy, with a high near 44. Breezy, with a south wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. South southwest wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.
Wednesday
Mostly sunny, with a high near 49. West wind 7 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. South wind 6 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 40 percent chance of rain before noon. Partly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Martinsville IL
 39.34°N 87.88°W (Elev. 600 ft)
Last Update:
5:37 pm CST Feb 22, 2026
Forecast Valid:
6pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation