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

55°F

13°C

Humidity 72%
Wind Speed S 10 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 20 Mar 8:53 am CDT
Extended Forecast for

Martinsville IL

  • Today

    Today: Mostly sunny, with a high near 80. West wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Northwest wind 5 to 8 mph becoming northeast after midnight. Winds could gust as high as 16 mph.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77. East northeast wind 5 to 9 mph becoming southwest in the afternoon.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. South southwest wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. North wind 16 to 18 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 53. North wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. West wind 10 to 16 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 45. Northwest wind 5 to 8 mph becoming northeast after midnight. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 77. East northeast wind 5 to 9 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 56. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 82. South southwest wind 11 to 18 mph, with gusts as high as 28 mph.
Sunday Night
A 30 percent chance of rain before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. North wind 16 to 18 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 53. North wind 11 to 14 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 72.
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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:
7:36 am CDT Mar 20, 2026
Forecast Valid:
9am CDT Mar 20, 2026-6pm CDT Mar 26, 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