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Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

88°F

31°C

Humidity 68%
Wind Speed S 7 mph
Barometer 30.13 in (1019.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 2 Jul 10:53 am CDT
Extended Forecast for

Trilla IL

Extreme Heat Warning July 2, 11:09am until July 3, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 11:09am until July 3, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • Today

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Heat index values as high as 105. South southwest wind 3 to 8 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind 3 to 5 mph.

    Low: 73 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind 3 to 6 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Light south southwest wind.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming west northwest around 6 mph in the morning.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 93. Heat index values as high as 104. South southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 75. South wind around 6 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Heat index values as high as 105. South southwest wind 3 to 8 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind 3 to 5 mph.
Independence Day
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind 3 to 6 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Light south southwest wind.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming west northwest around 6 mph in the morning.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 88.
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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:
10:36 am CDT Jul 2, 2026
Forecast Valid:
11am CDT Jul 2, 2026-6pm CDT Jul 8, 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