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

35°F

2°C

Humidity 85%
Wind Speed SW 9 mph
Barometer 29.93 in (1014.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 31 Dec 6:53 pm CST
Extended Forecast for

Martinsville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. West wind 8 to 10 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.

    Low: 23 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 33. North northeast wind 3 to 8 mph. Winds could gust as high as 15 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. Light and variable wind.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 37. Calm wind becoming east northeast around 6 mph in the morning.

    High: 37 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24. Northeast wind around 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 37. Northeast wind around 6 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. North northwest wind 3 to 5 mph.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. West wind 8 to 10 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.
New Year's Day
Mostly sunny, with a high near 33. North northeast wind 3 to 8 mph. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 21. Light and variable wind.
Friday
Mostly cloudy, with a high near 37. Calm wind becoming east northeast around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 24. Northeast wind around 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 37. Northeast wind around 6 mph.
Saturday Night
Mostly clear, with a low around 21. North northwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 48.
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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:
6:36 pm CST Dec 31, 2025
Forecast Valid:
7pm CST Dec 31, 2025-6pm CST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation