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

38°F

3°C

Humidity 93%
Wind Speed NE 5 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 10 Jan 2:53 am CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Light northeast wind.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly between 10am and noon. Cloudy, then gradual clearing during the afternoon, with a high near 41. Light north northwest wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Showers
    Likely then
    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers between 9pm and midnight. Partly cloudy during the early evening, then becoming cloudy, with a low around 23. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    Showers then
    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Breezy, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Southwest wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 44. West southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Light northeast wind.
Saturday
Showers likely, mainly between 10am and noon. Cloudy, then gradual clearing during the afternoon, with a high near 41. Light north northwest wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of snow showers between 9pm and midnight. Partly cloudy during the early evening, then becoming cloudy, with a low around 23. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 34. Breezy, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Mostly clear, with a low around 24. Southwest wind 6 to 10 mph, with gusts as high as 17 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 32. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.46°N 88.28°W (Elev. 679 ft)
Last Update:
3:21 am CST Jan 10, 2026
Forecast Valid:
3am CST Jan 10, 2026-6pm CST Jan 16, 2026
 
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