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

29°F

-2°C

Humidity 72%
Wind Speed S 13 G 22 mph
Barometer 30.01 in (1017.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Dec 3:53 am CST
Extended Forecast for

Martinsville IL

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 44. Southwest wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 50 percent chance of showers, mainly after midnight. Cloudy, with a low around 38. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 34 mph.

    Low: 38 °F

    Breezy.
    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of rain showers before 11am, then a chance of snow showers between 11am and noon. Mostly cloudy, with a temperature falling to around 33 by 4pm. Breezy, with a west northwest wind 16 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

    High: 42 °F⇓

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. Northwest wind 7 to 15 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 33. West wind 5 to 8 mph.

    High: 33 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 24. West wind 5 to 8 mph becoming east after midnight.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 37. East southeast wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 37 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 22.

    High: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 44. Southwest wind 15 to 17 mph, with gusts as high as 29 mph.
Tonight
A 50 percent chance of showers, mainly after midnight. Cloudy, with a low around 38. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 34 mph.
Wednesday
A chance of rain showers before 11am, then a chance of snow showers between 11am and noon. Mostly cloudy, with a temperature falling to around 33 by 4pm. Breezy, with a west northwest wind 16 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 24. Northwest wind 7 to 15 mph, with gusts as high as 21 mph.
Thursday
Mostly cloudy, with a high near 33. West wind 5 to 8 mph.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24. West wind 5 to 8 mph becoming east after midnight.
Friday
Mostly cloudy, with a high near 37. East southeast wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 7.
Monday
A chance of snow. Partly sunny, with a high near 29.
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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:
3:16 am CST Dec 9, 2025
Forecast Valid:
4am CST Dec 9, 2025-6pm CST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation