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.

Light Rain Fog/Mist

44°F

7°C

Humidity 96%
Wind Speed NE 7 mph
Barometer 30.12 in (1020.5 mb)
Dewpoint 43°F (6°C)
Visibility 2.50 mi
Wind Chill40°F (4°C)
Last update 3 Mar 9:53 pm CST
Extended Forecast for

Charleston IL

  • Tonight

    Tonight: Rain and possibly a thunderstorm, mainly before 4am, then a chance of rain and thunderstorms after 4am. Patchy fog. Low around 44. East northeast wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain and thunderstorms before 4pm, then rain likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. Patchy fog before noon. High near 57. East northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain Likely
    and Patchy
    Fog then Rain

  • Wednesday Night

    Wednesday Night: Rain, with thunderstorms also possible after 9pm. Patchy fog. Low around 53. Calm wind becoming south 5 to 7 mph in the evening. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 53 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain before 9am, then showers, mainly between 9am and noon. High near 66. West southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Rain then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 54. Light and variable wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon. Partly sunny, with a high near 75. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    T-storms then
    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 59. South southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers likely before noon. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain and possibly a thunderstorm, mainly before 4am, then a chance of rain and thunderstorms after 4am. Patchy fog. Low around 44. East northeast wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Rain and thunderstorms before 4pm, then rain likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. Patchy fog before noon. High near 57. East northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain, with thunderstorms also possible after 9pm. Patchy fog. Low around 53. Calm wind becoming south 5 to 7 mph in the evening. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Rain before 9am, then showers, mainly between 9am and noon. High near 66. West southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 54. Light and variable wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon. Partly sunny, with a high near 75. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 59. South southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely before noon. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 70.
Monday Night
A chance of showers. Mostly clear, with a low around 55.
Tuesday
A chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
10:01 pm CST Mar 3, 2026
Forecast Valid:
10pm CST Mar 3, 2026-6pm CDT Mar 10, 2026
 
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Additional Resources

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Chance of Precipitation