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

90°F

32°C

Humidity 56%
Wind Speed SW 6 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 26 Jun 5:53 pm CDT
Extended Forecast for

Trilla IL

Heat Advisory June 26, 07:52pm until June 27, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 26, 07:52pm until June 27, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Tonight

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 71. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light south southwest wind.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. South southwest wind 3 to 6 mph.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 71. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 71. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light south southwest wind.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 68.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trilla IL
 39.38°N 88.34°W (Elev. 650 ft)
Last Update:
7:40 pm CDT Jun 26, 2025
Forecast Valid:
7pm CDT Jun 26, 2025-6pm CDT Jul 3, 2025
 
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