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.

Overcast

21°F

-6°C

Humidity 71%
Wind Speed S 6 mph
Barometer 30.19 in (1023.9 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 1 Feb 7:53 pm CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Tonight

    Tonight: Snow likely, mainly before 10pm. Cloudy, with a low around 18. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 18 °F

    Snow Likely
    then Chance
    Snow

  • Monday

    Monday: Mostly cloudy, with a high near 30. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.

    High: 30 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 28. Calm wind becoming north northeast 5 to 8 mph in the morning.

    High: 28 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 11. North wind around 6 mph.

    Low: 11 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 24. North wind around 6 mph.

    High: 24 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. Light west wind.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly before 10pm. Cloudy, with a low around 18. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 30. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 18. Calm wind.
Tuesday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 28. Calm wind becoming north northeast 5 to 8 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 11. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 24. North wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 8. Light west wind.
Thursday
Partly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.51°N 88.27°W (Elev. 656 ft)
Last Update:
7:52 pm CST Feb 1, 2026
Forecast Valid:
8pm CST Feb 1, 2026-6pm CST Feb 8, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation