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.

Light Rain Fog/Mist

64°F

18°C

Humidity 87%
Wind Speed E 6 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 60°F (16°C)
Visibility 3.00 mi
Last update 22 May 4:53 pm CDT
Extended Forecast for

6 Miles N Martinsville IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers. Cloudy, with a high near 67. East wind around 9 mph, with gusts as high as 15 mph.

    High: 67 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly before 11pm. Cloudy, with a low around 59. East northeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Saturday

    Saturday: A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 77. West wind 5 to 7 mph.

    High: 77 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 4am. Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Partly sunny, with a high near 81. Calm wind becoming east northeast around 5 mph.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Cloudy, with a high near 67. East wind around 9 mph, with gusts as high as 15 mph.
Tonight
Showers likely, mainly before 11pm. Cloudy, with a low around 59. East northeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 77. West wind 5 to 7 mph.
Saturday Night
A 40 percent chance of showers after 4am. Mostly cloudy, with a low around 60. Calm wind.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly cloudy, with a low around 59. Calm wind.
Memorial Day
Partly sunny, with a high near 81. Calm wind becoming east northeast around 5 mph.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80.
Tuesday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 65.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 65.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Martinsville IL
 39.43°N 87.88°W (Elev. 650 ft)
Last Update:
4:36 pm CDT May 22, 2026
Forecast Valid:
5pm CDT May 22, 2026-6pm CDT May 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation