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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.

Fair

43°F

6°C

Humidity 86%
Wind Speed N 9 mph
Barometer 30.42 in (1030.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 17 Oct 1:53 am CDT
Extended Forecast for

2 Miles SE Charleston IL

Frost Advisory October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 39. North wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59. North northeast wind 3 to 7 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 4am. Otherwise, clear, with a low around 34. Light and variable wind.

    Low: 34 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly between 7am and 8am. Otherwise, sunny, with a high near 65. South wind 3 to 7 mph.

    High: 65 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. Light southeast wind.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. North wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 59. North northeast wind 3 to 7 mph.
Saturday Night
Areas of frost after 4am. Otherwise, clear, with a low around 34. Light and variable wind.
Sunday
Widespread frost, mainly between 7am and 8am. Otherwise, sunny, with a high near 65. South wind 3 to 7 mph.
Sunday Night
Clear, with a low around 36. Calm wind.
Monday
Sunny, with a high near 71. Light southeast wind.
Monday Night
Mostly clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Charleston IL
 39.46°N 88.13°W (Elev. 699 ft)
Last Update:
1:41 am CDT Oct 17, 2026
Forecast Valid:
2am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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