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

42°F

6°C

Humidity 96%
Wind Speed NE 9 mph
Barometer 29.90 in (1013.0 mb)
Dewpoint 41°F (5°C)
Visibility 8.00 mi
Wind Chill37°F (3°C)
Last update 15 Feb 5:53 am CST
Extended Forecast for

Charleston IL

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 55. North northeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 55 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Mostly clear, with a low around 36. West northwest wind around 5 mph becoming light and variable.

    Low: 36 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 58. South southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South wind around 7 mph, with gusts as high as 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. South wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 59 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 54. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 36 mph.

    Low: 54 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 68. Breezy, with a west southwest wind 13 to 22 mph, with gusts as high as 34 mph.

    High: 68 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 55. North northeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.
Tonight
Mostly clear, with a low around 36. West northwest wind around 5 mph becoming light and variable.
Washington's Birthday
Partly sunny, with a high near 58. South southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 40. South wind around 7 mph, with gusts as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 59. South wind 7 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 54. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 36 mph.
Wednesday
Sunny, with a high near 68. Breezy, with a west southwest wind 13 to 22 mph, with gusts as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A 40 percent chance of rain after noon. Mostly sunny, with a high near 65.
Thursday Night
A 40 percent chance of rain before midnight. Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 44.
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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:
5:37 am CST Feb 15, 2026
Forecast Valid:
6am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
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Additional Resources

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Chance of Precipitation