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

41°F

5°C

Humidity 100%
Wind Speed N 12 mph
Barometer 29.91 in (1013.3 mb)
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Wind Chill34°F (1°C)
Last update 15 Feb 6:53 am CST
Extended Forecast for

Martinsville IL

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 55. Northeast wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 55 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 58. Light southwest wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. South wind around 7 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. South wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. Breezy, with a south wind 15 to 22 mph, with gusts as high as 36 mph.

    Low: 54 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 55. Northeast wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.
Tonight
Mostly clear, with a low around 35. Light and variable wind.
Washington's Birthday
Partly sunny, with a high near 58. Light southwest wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 39. South wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 59. South wind 7 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 54. Breezy, with a south wind 15 to 22 mph, with gusts as high as 36 mph.
Wednesday
Mostly sunny, with a high near 69. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
A 40 percent chance of rain after noon. Mostly sunny, with a high near 66.
Thursday Night
A 50 percent chance of rain before midnight. Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 45.
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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:
7:26 am CST Feb 15, 2026
Forecast Valid:
7am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation