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

62°F

17°C

Humidity 90%
Wind Speed S 10 mph
Barometer 29.85 in (1010.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 10 Mar 12:53 am CDT
Extended Forecast for

Martinsville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 75. South southwest wind 10 to 18 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 62. South southwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then showers likely. Temperature falling to around 49 by 5pm. Breezy, with a southwest wind 18 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 68 °F⇓

    Breezy.
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 32. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49. North northwest wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy, with a south wind 7 to 12 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 37 mph.

    Low: 41 °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 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 75. South southwest wind 10 to 18 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 62. South southwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 1pm, then showers likely. Temperature falling to around 49 by 5pm. Breezy, with a southwest wind 18 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
A 30 percent chance of showers before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 32. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 49. North northwest wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 41. Breezy, with a south wind 7 to 12 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 37 mph.
Friday
Mostly cloudy, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Rain. Cloudy, with a high near 60. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Blustery.
Monday
Partly sunny, with a high near 33.
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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:
1:26 am CDT Mar 10, 2026
Forecast Valid:
1am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation