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.

Mostly Cloudy

66°F

19°C

Humidity 78%
Wind Speed S 14 G 33 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 9 Mar 4:53 pm CDT
Extended Forecast for

Martinsville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 75. South southwest wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 75 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 61. South southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °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 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 65 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 31. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 29 mph.

    Low: 31 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 48. North northwest wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph.

    Low: 40 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 58. Breezy.

    High: 58 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly cloudy, with a high near 75. South southwest wind 9 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 61. South southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. 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 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 31. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 48. North northwest wind 6 to 8 mph becoming west southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 40. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 33 mph.
Friday
Mostly cloudy, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Rain likely. Mostly cloudy, with a high near 62. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Monday
Mostly cloudy, with a high near 38.
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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:
4:36 pm CDT Mar 9, 2026
Forecast Valid:
5pm CDT Mar 9, 2026-6pm CDT Mar 16, 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