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

74°F

23°C

Humidity 62%
Wind Speed W 8 mph
Barometer 30.02 in (1016.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Jun 9:53 am CDT
Extended Forecast for

2 Miles SSW Charleston IL

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 79. Northwest wind 5 to 7 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the morning.

    High: 82 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 63. Light and variable wind.

    Low: 63 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 79. Southeast wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 79 °F

    Showers
    Likely then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 64. South southwest wind 11 to 13 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 64 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 75. North wind around 11 mph, with gusts as high as 21 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 79. Northwest wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 61. Light and variable wind.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the morning.
Saturday Night
Increasing clouds, with a low around 63. Light and variable wind.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 79. Southeast wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 64. South southwest wind 11 to 13 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Partly sunny, with a high near 75. North wind around 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Charleston IL
 39.46°N 88.19°W (Elev. 600 ft)
Last Update:
8:06 am CDT Jun 19, 2026
Forecast Valid:
10am CDT Jun 19, 2026-6pm CDT Jun 25, 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