Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

75°F

24°C

Humidity 46%
Wind Speed SE 9 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 26 Apr 2:53 pm CDT
Extended Forecast for

Charleston IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. East southeast wind around 9 mph, with gusts as high as 15 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. East southeast wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe.  Mostly cloudy, with a high near 77. Breezy, with a south southeast wind 13 to 23 mph, with gusts as high as 41 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Severe
    Thunderstorms
    and Breezy

  • Monday Night

    Monday Night: Showers and thunderstorms before 10pm, then showers between 10pm and 1am. Some of the storms could be severe.  Low around 55. Breezy, with a south southeast wind 17 to 22 mph becoming west southwest 10 to 15 mph after midnight. Winds could gust as high as 36 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 55 °F

    Severe
    Thunderstorms
    and Breezy
    then Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. West wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 51. Light and variable wind becoming north 5 to 8 mph in the evening. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. North wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. East southeast wind around 9 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 57. East southeast wind 8 to 11 mph, with gusts as high as 22 mph.
Monday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 77. Breezy, with a south southeast wind 13 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and thunderstorms before 10pm, then showers between 10pm and 1am. Some of the storms could be severe. Low around 55. Breezy, with a south southeast wind 17 to 22 mph becoming west southwest 10 to 15 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Mostly sunny, with a high near 68. West wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Light and variable wind becoming north 5 to 8 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 63. North wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
1:26 pm CDT Apr 26, 2026
3pm CDT Apr 26, 2026-6pm CDT May 2, 2026
 
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