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

46°F

8°C

Humidity 89%
Wind Speed S 12 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 9 Mar 6:53 am CDT
Extended Forecast for

Martinsville IL

  • Today

    Today: Increasing clouds, with a high near 72. South southwest wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 72 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. South southwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 59. South southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    T-storms
    Likely then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Temperature rising to near 65 by 10am, then falling to around 48 during the remainder of the day. Breezy, with a southwest wind 18 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 65 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a north northwest wind 13 to 20 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 48. Northwest wind around 8 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 59. Breezy.

    High: 59 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Today
Increasing clouds, with a high near 72. South southwest wind 9 to 16 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 60. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. South southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Showers and thunderstorms likely between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 59. South southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. Temperature rising to near 65 by 10am, then falling to around 48 during the remainder of the day. Breezy, with a southwest wind 18 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a north northwest wind 13 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 48. Northwest wind around 8 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Mostly cloudy, with a low around 40. Breezy.
Friday
Mostly cloudy, with a high near 59. Breezy.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Rain likely. Mostly cloudy, with a high near 65. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Martinsville IL
 39.34°N 87.88°W (Elev. 600 ft)
Last Update:
6:36 am CDT Mar 9, 2026
Forecast Valid:
7am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
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