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.

Fair

45°F

7°C

Humidity 74%
Wind Speed SE 5 mph
Barometer 29.90 in (1012.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 26 Feb 7:53 pm CST
Extended Forecast for

Martinsville IL

  • Tonight

    Tonight: Mostly clear, with a low around 34. Light and variable wind becoming southwest around 6 mph after midnight.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. South southwest wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 24 mph.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. East wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. North northeast wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 39. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 39 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain and snow likely. Cloudy, with a low around 26. East northeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 26 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Light and variable wind becoming southwest around 6 mph after midnight.
Friday
Sunny, with a high near 64. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly clear, with a low around 37. South southwest wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 24 mph.
Saturday
Mostly sunny, with a high near 57. East wind 7 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 27. North northeast wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday
Increasing clouds, with a high near 39. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Rain and snow likely. Cloudy, with a low around 26. East northeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A 50 percent chance of rain. Cloudy, with a high near 43.
Tuesday Night
Rain likely. Cloudy, with a low around 35.
Wednesday
A chance of rain. Cloudy, with a high near 54.
Wednesday Night
Rain likely. Cloudy, with a low around 45.
Thursday
Rain likely. Cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Martinsville IL
 39.34°N 87.88°W (Elev. 600 ft)
Last Update:
7:32 pm CST Feb 26, 2026
Forecast Valid:
8pm CST Feb 26, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation