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.

Fair

57°F

14°C

Humidity 90%
Wind Speed SE 3 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 May 2:53 am CDT
Extended Forecast for

2 Miles WNW Mattoon/Charleston, Coles County Memorial Airport IL

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, clear, with a low around 55. Calm wind.

    Low: 55 °F

    Patchy Fog

  • Memorial Day

    Memorial Day: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79. East wind 3 to 8 mph.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. East wind 3 to 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80. East southeast wind around 6 mph.

    High: 80 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 65. East wind 3 to 5 mph.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. East wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, clear, with a low around 55. Calm wind.
Memorial Day
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79. East wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 58. East wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 80. East southeast wind around 6 mph.
Tuesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 65. East wind 3 to 5 mph.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 63. East wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Partly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Mattoon/Charleston, Coles County Memorial Airport IL
 39.49°N 88.33°W (Elev. 712 ft)
Last Update:
2:36 am CDT May 25, 2026
Forecast Valid:
3am CDT May 25, 2026-6pm CDT May 31, 2026
 
Forecast Discussion
 
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Chance of Precipitation