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

59°F

15°C

Humidity 60%
Wind Speed S 17 G 28 mph
Barometer 30.03 in (1017.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 16 Feb 12:53 pm CST
Extended Forecast for

Martinsville IL

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 60. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 60 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 38. South wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 38 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, cloudy, with a high near 59. South wind 7 to 15 mph, with gusts as high as 29 mph.

    High: 59 °F

    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 54. Breezy, with a south wind 15 to 21 mph, with gusts as high as 34 mph.

    Low: 54 °F

    Breezy.
    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 70. Breezy, with a west southwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 70 °F

    Becoming
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Southwest wind around 7 mph becoming south southeast after midnight.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain likely after noon. Partly sunny, with a high near 68. South wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Partly Sunny
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely before midnight. Partly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. Breezy.

    High: 51 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Washington's Birthday
Mostly cloudy, with a high near 60. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 38. South wind 6 to 8 mph, with gusts as high as 16 mph.
Tuesday
Patchy fog before 10am. Otherwise, cloudy, with a high near 59. South wind 7 to 15 mph, with gusts as high as 29 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 54. Breezy, with a south wind 15 to 21 mph, with gusts as high as 34 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 70. Breezy, with a west southwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 46. Southwest wind around 7 mph becoming south southeast after midnight.
Thursday
Rain likely after noon. Partly sunny, with a high near 68. South wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely before midnight. Partly cloudy, with a low around 38. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 51. Breezy.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 39.
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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:
12:51 pm CST Feb 16, 2026
Forecast Valid:
1pm CST Feb 16, 2026-6pm CST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation