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.

A Few Clouds

66°F

19°C

Humidity 87%
Wind Speed NW 14 mph
Barometer 30.09 in (1018.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 May 9:53 pm CDT
Extended Forecast for

3 Miles SE Charleston IL

  • Tonight

    Tonight: Cloudy, with a low around 56. North wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 1pm. Cloudy, with a high near 63. North northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 63 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. North northeast wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. East northeast wind around 11 mph, with gusts as high as 21 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 52. East northeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 1pm. High near 69. East northeast wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Showers

  • Friday Night

    Friday Night: Showers likely before 1am. Mostly cloudy, with a low around 57. East southeast wind 5 to 7 mph becoming west southwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Cloudy, with a low around 56. North wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers between 8am and 1pm. Cloudy, with a high near 63. North northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 47. North northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 68. East northeast wind around 11 mph, with gusts as high as 21 mph.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 52. East northeast wind around 9 mph, with gusts as high as 18 mph.
Friday
Showers, with thunderstorms also possible after 1pm. High near 69. East northeast wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers likely before 1am. Mostly cloudy, with a low around 57. East southeast wind 5 to 7 mph becoming west southwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 76.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 59.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 60.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 78.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Charleston IL
 39.46°N 88.13°W (Elev. 699 ft)
Last Update:
9:31 pm CDT May 19, 2026
Forecast Valid:
10pm CDT May 19, 2026-6pm CDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation