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.

Overcast

43°F

6°C

Humidity 89%
Wind Speed S 3 mph
Barometer 30.01 in (1016.5 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 25 Mar 7:53 am CDT
Extended Forecast for

Charleston IL

  • Today

    Today: A 40 percent chance of rain. Mostly cloudy, with a high near 54. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 54 °F

    Chance Rain

  • Tonight

    Tonight: A slight chance of rain before 7pm, then a chance of rain after 2am. Mostly cloudy, with a low around 35. Northwest wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: A 10 percent chance of rain before 7am. Sunny, with a high near 57. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 57 °F

    Slight Chance
    Rain then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. West northwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of rain after 1pm. Partly sunny, with a high near 61. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely before 10pm, then rain likely and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 49. South southeast wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Friday

    Friday: A 30 percent chance of rain before 1pm. Mostly sunny, with a high near 76. South southwest wind 11 to 17 mph, with gusts as high as 31 mph.

    High: 76 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Rain Likely

Detailed Forecast

Today
A 40 percent chance of rain. Mostly cloudy, with a high near 54. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Tonight
A slight chance of rain before 7pm, then a chance of rain after 2am. Mostly cloudy, with a low around 35. Northwest wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday
A 10 percent chance of rain before 7am. Sunny, with a high near 57. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 37. West northwest wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of rain after 1pm. Partly sunny, with a high near 61. South wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Rain likely before 10pm, then rain likely and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 49. South southeast wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of rain before 1pm. Mostly sunny, with a high near 76. South southwest wind 11 to 17 mph, with gusts as high as 31 mph.
Friday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 58.
Saturday
Rain likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Saturday Night
Rain likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Sunday
Rain likely. Partly sunny, with a high near 67.
Sunday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.48°N 88.19°W (Elev. 650 ft)
Last Update:
5:46 am CDT Mar 25, 2025
Forecast Valid:
8am CDT Mar 25, 2025-6pm CDT Mar 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation