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

46°F

8°C

Humidity 71%
Wind Speed S 5 mph
Barometer 30.06 in (1018.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Mar 12:53 am CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Light south southeast wind.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 66. South southeast wind 3 to 6 mph.

    High: 66 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Light and variable wind becoming south 5 to 7 mph in the evening.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. West southwest wind around 7 mph becoming northwest after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. North northwest wind around 7 mph becoming west southwest in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Light south southeast wind.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 66. South southeast wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 46. Light and variable wind becoming south 5 to 7 mph in the evening.
Friday
Mostly sunny, with a high near 73. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 48. West southwest wind around 7 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 73. North northwest wind around 7 mph becoming west southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 53. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.46°N 88.28°W (Elev. 679 ft)
Last Update:
12:35 am CDT Mar 19, 2026
Forecast Valid:
1am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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