National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

36°F

2°C

Humidity 73%
Wind Speed S 9 mph
Barometer 30.03 in (1017.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 13 Jan 12:53 am CST
Extended Forecast for

4 Miles S Charleston IL

  • Overnight

    Overnight: Partly cloudy, with a low around 32. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. West southwest wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 27 by 5pm. Breezy, with a north northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 37 °F⇓

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. North northwest wind 11 to 17 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 27. Northwest wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 27 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 54. West southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 36. West wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 27 by 5pm. Breezy, with a north northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.
Wednesday Night
Partly cloudy, with a low around 15. North northwest wind 11 to 17 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 27. Northwest wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 20. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 24.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around 9.
M.L.King Day
Mostly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Charleston IL
 39.41°N 88.16°W (Elev. 600 ft)
Last Update:
9:36 pm CST Jan 12, 2026
Forecast Valid:
1am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation