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.

Light Rain

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.93 in (1013.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 4:53 am CDT
Extended Forecast for

Trilla IL

  • Today

    Today: A slight chance of showers and thunderstorms between 1pm and 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. North northeast wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 82 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 62. North northeast wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am. Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 83. Northwest wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Northwest wind 3 to 7 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. North northwest wind 5 to 7 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 1pm and 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. North northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 62. North northeast wind 3 to 6 mph.
Friday
Sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
A 40 percent chance of showers after 1am. Mostly clear, with a low around 65. Calm wind.
Saturday
Sunny, with a high near 83. Northwest wind 6 to 10 mph, with gusts as high as 17 mph.
Saturday Night
Mostly clear, with a low around 61. Northwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 81. North northwest wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 85.
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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:
4:36 am CDT Aug 20, 2026
Forecast Valid:
5am CDT Aug 20, 2026-6pm CDT Aug 26, 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