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 76%
Wind Speed NE 14 mph
Barometer 30.43 in (1030.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 7 Apr 6:53 am CDT
Extended Forecast for

Martinsville IL

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 49. East northeast wind around 10 mph, with gusts as high as 18 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 35. East wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. South southeast wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. South wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 70. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 49. East northeast wind around 10 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 35. East wind 6 to 8 mph, with gusts as high as 16 mph.
Wednesday
Mostly sunny, with a high near 67. South southeast wind 9 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 74. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 53. South wind 6 to 9 mph, with gusts as high as 18 mph.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 70. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 80.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Mostly cloudy, with a high near 79. Breezy.
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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:
4:57 am CDT Apr 7, 2026
Forecast Valid:
7am CDT Apr 7, 2026-6pm CDT Apr 13, 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