National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

40°F

4°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.99 in (1016.0 mb)
Dewpoint 40°F (4°C)
Visibility 8.00 mi
Wind Chill36°F (2°C)
Last update 15 Feb 7:53 pm CST
Extended Forecast for

Martinsville IL

Dense Fog Advisory February 15, 11:00pm until February 16, 09:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Patchy dense fog after 11pm. Otherwise, partly cloudy, with a low around 36. Light southwest wind.

    Low: 36 °F

    Patchy Dense
    Fog

  • Washington's Birthday

    Washington's Birthday: Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 58. South southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 58 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South wind around 7 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. South wind 7 to 17 mph, with gusts as high as 26 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: Sunny, with a high near 69. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 34 mph.

    High: 69 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Southwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain before midnight. Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
Patchy dense fog after 11pm. Otherwise, partly cloudy, with a low around 36. Light southwest wind.
Washington's Birthday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 58. South southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 40. South wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 59. South wind 7 to 17 mph, with gusts as high as 26 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
Sunny, with a high near 69. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 45. Southwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 68.
Thursday Night
A 40 percent chance of rain before midnight. Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 52.
Friday Night
A chance of rain. Mostly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
A chance of rain. Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 41.
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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 pm CST Feb 15, 2026
Forecast Valid:
8pm CST Feb 15, 2026-6pm CST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation