Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

49°F

9°C

Humidity 48%
Wind Speed SE 13 mph
Barometer 29.81 in (1009.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Mar 11:53 pm CDT
Extended Forecast for

Charleston IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Mostly cloudy, with a low around 46. South southeast wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain before 1pm, then a chance of rain and thunderstorms between 1pm and 5pm, then rain likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 66. Windy, with a south wind 18 to 23 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 49 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Slight Chance
    Rain and
    Breezy then
    Rain Likely
    and Windy

  • Sunday Night

    Sunday Night: Rain before midnight, then a chance of rain and snow between midnight and 1am, then a chance of snow after 1am. Some thunder is also possible.  Low around 22. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 43 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Breezy. Rain
    then Chance
    Rain/Snow

  • Monday

    Monday: A 30 percent chance of snow before 1pm.  Cloudy, with a high near 27. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 45 mph.

    High: 27 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 31 mph.

    Low: 12 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. West northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow after 1am.  Mostly cloudy, with a low around 24. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. South southeast wind 13 to 15 mph, with gusts as high as 24 mph.
Sunday
A slight chance of rain before 1pm, then a chance of rain and thunderstorms between 1pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 66. Windy, with a south wind 18 to 23 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain before midnight, then a chance of rain and snow between midnight and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 22. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday
A 30 percent chance of snow before 1pm. Cloudy, with a high near 27. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 45 mph.
Monday Night
Mostly cloudy, with a low around 12. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 30. West northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 24. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
12:06 am CDT Mar 15, 2026
12am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
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Additional Resources

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