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

35°F

2°C

Humidity 54%
Wind Speed NW 15 mph
Barometer 30.17 in (1022.5 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Feb 4:53 pm CST
Extended Forecast for

Martinsville IL

  • Tonight

    Tonight: Scattered flurries after midnight. Increasing clouds, with a low around 22. Northwest wind 7 to 16 mph, with gusts as high as 24 mph.

    Low: 22 °F

    Scattered
    Flurries

  • Sunday

    Sunday: Scattered flurries before 9am. Mostly cloudy, with a high near 30. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph.

    High: 30 °F

    Scattered
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18. Wind chill values between 3 and 13. Northwest wind around 17 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 32. Wind chill values between 3 and 13. Northwest wind 8 to 18 mph, with gusts as high as 26 mph.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 18. Northwest wind around 6 mph becoming calm.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 44. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 44 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
Scattered flurries after midnight. Increasing clouds, with a low around 22. Northwest wind 7 to 16 mph, with gusts as high as 24 mph.
Sunday
Scattered flurries before 9am. Mostly cloudy, with a high near 30. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Mostly cloudy, with a low around 18. Wind chill values between 3 and 13. Northwest wind around 17 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 32. Wind chill values between 3 and 13. Northwest wind 8 to 18 mph, with gusts as high as 26 mph.
Monday Night
Increasing clouds, with a low around 18. Northwest wind around 6 mph becoming calm.
Tuesday
Partly sunny, with a high near 44. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 57.
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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:
5:36 pm CST Feb 21, 2026
Forecast Valid:
5pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation