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

72°F

22°C

Humidity 71%
Wind Speed Calm
Barometer 30.00 in (1015.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 Jun 7:53 pm CDT
Extended Forecast for

5 Miles NNW Martinsville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. West northwest wind 5 to 7 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers between 7am and 1pm, then showers and thunderstorms after 1pm. High near 80. Southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 80 °F

    Chance
    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm after 1am. Low around 65. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 75. North wind around 13 mph, with gusts as high as 21 mph.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. North wind 6 to 13 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 62. Light and variable wind.
Saturday
Mostly sunny, with a high near 82. West northwest wind 5 to 7 mph.
Saturday Night
Increasing clouds, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers between 7am and 1pm, then showers and thunderstorms after 1pm. High near 80. Southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm after 1am. Low around 65. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Mostly cloudy, with a high near 75. North wind around 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 56. North wind 6 to 13 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
A chance of showers. Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Martinsville IL
 39.38°N 87.94°W (Elev. 656 ft)
Last Update:
7:51 pm CDT Jun 19, 2026
Forecast Valid:
8pm CDT Jun 19, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation