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.

Fair

27°F

-3°C

Humidity 92%
Wind Speed S 5 mph
Barometer 30.23 in (1024.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 13 Feb 2:53 am CST
Extended Forecast for

Charleston IL

  • Overnight

    Overnight: Mostly clear, with a low around 28. Southeast wind around 5 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. South southwest wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 33. South wind around 6 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 50. Calm wind becoming south around 6 mph in the morning.

    High: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 40. East wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 55. East northeast wind 5 to 8 mph.

    High: 55 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 28. Southeast wind around 5 mph.
Friday
Sunny, with a high near 53. South southwest wind 6 to 13 mph, with gusts as high as 18 mph.
Friday Night
Increasing clouds, with a low around 33. South wind around 6 mph.
Saturday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 50. Calm wind becoming south around 6 mph in the morning.
Saturday Night
Rain. Low around 40. East wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 55. East northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 35. Light and variable wind.
Washington's Birthday
Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 66. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 59.
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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:
3:16 am CST Feb 13, 2026
Forecast Valid:
3am CST Feb 13, 2026-6pm CST Feb 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation