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Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast and Breezy

18°F

-8°C

Humidity 68%
Wind Speed NW 24 G 31 mph
Barometer 30.07 in (1019.2 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 17 Mar 12:53 am CDT
Extended Forecast for

Charleston IL

  • Overnight

    Overnight: A chance of flurries. Mostly cloudy, with a low around 13. Wind chill values between zero and 5. West northwest wind 15 to 17 mph, with gusts as high as 29 mph.

    Low: 13 °F

    Chance
    Flurries

  • Tuesday

    Tuesday: Partly sunny, with a high near 28. Wind chill values between zero and 10. West northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 28 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 3am. Mostly cloudy, with a low around 24. Light south southwest wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of snow before 7am. Cloudy through mid morning, then gradual clearing, with a high near 53. South wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 53 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. South southwest wind around 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. South wind around 7 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Southeast wind around 6 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of flurries. Mostly cloudy, with a low around 13. Wind chill values between zero and 5. West northwest wind 15 to 17 mph, with gusts as high as 29 mph.
Tuesday
Partly sunny, with a high near 28. Wind chill values between zero and 10. West northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Snow likely, mainly after 3am. Mostly cloudy, with a low around 24. Light south southwest wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
A 30 percent chance of snow before 7am. Cloudy through mid morning, then gradual clearing, with a high near 53. South wind 11 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 37. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 64. South wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 43. Southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 50.
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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:
12:26 am CDT Mar 17, 2026
Forecast Valid:
1am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation