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.

Thunderstorm in Vicinity Heavy Rain Fog/Mist

67°F

19°C

Humidity 100%
Wind Speed N 6 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 67°F (19°C)
Visibility 1.50 mi
Last update 27 May 3:53 am CDT
Extended Forecast for

3 Miles NE Mattoon/Charleston, Coles County Memorial Airport IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Cloudy, with a low around 65. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly before 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. North northeast wind 3 to 7 mph.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. East northeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Northeast wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. East wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77. East wind around 7 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 65. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. North northeast wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 60. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 81. Northeast wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 58. East wind 6 to 8 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 77. East wind around 7 mph.
Friday Night
Partly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Mattoon/Charleston, Coles County Memorial Airport IL
 39.51°N 88.24°W (Elev. 650 ft)
Last Update:
2:46 am CDT May 27, 2026
Forecast Valid:
3am CDT May 27, 2026-6pm CDT Jun 2, 2026
 
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Additional Resources

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Chance of Precipitation