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.

Fair

50°F

10°C

Humidity 80%
Wind Speed S 12 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 17 Feb 10:53 am CST
Extended Forecast for

Charleston IL

  • Today

    Today: A chance of sprinkles after 5pm. Cloudy, with a high near 56. South wind 13 to 15 mph, with gusts as high as 29 mph.

    High: 56 °F

    Chance
    Sprinkles

  • Tonight

    Tonight: A chance of sprinkles with a slight chance of rain before 9pm, then a chance of rain after 11pm. Cloudy, with a low around 52. Breezy, with a south wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Breezy.
    Slight Chance
    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 69. West southwest wind 9 to 17 mph, with gusts as high as 32 mph.

    High: 69 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Increasing clouds, with a low around 46. South wind around 6 mph.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. South southeast wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 67 °F

    Chance Rain
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph.

    Low: 37 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 48. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 48 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of sprinkles after 5pm. Cloudy, with a high near 56. South wind 13 to 15 mph, with gusts as high as 29 mph.
Tonight
A chance of sprinkles with a slight chance of rain before 9pm, then a chance of rain after 11pm. Cloudy, with a low around 52. Breezy, with a south wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. West southwest wind 9 to 17 mph, with gusts as high as 32 mph.
Wednesday Night
A 30 percent chance of rain after midnight. Increasing clouds, with a low around 46. South wind around 6 mph.
Thursday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. South southeast wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph.
Friday
Sunny, with a high near 48. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
11:36 am CST Feb 17, 2026
Forecast Valid:
11am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation