National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

40°F

4°C

Humidity 89%
Wind Speed E 7 mph
Barometer 30.20 in (1023.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 Mar 5:53 pm CST
Extended Forecast for

Trilla IL

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 5am. Cloudy, with a low around 35. East southeast wind 3 to 6 mph.

    Low: 35 °F

    Cloudy then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers. High near 52. Light and variable wind becoming east southeast around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Patchy fog. Low around 45. East northeast wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Patchy fog before 7am. High near 62. East wind 6 to 8 mph becoming south in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 53. South wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after noon. High near 66. South southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 51. West southwest wind around 7 mph becoming south southeast after midnight.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers. Partly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly after 5am. Cloudy, with a low around 35. East southeast wind 3 to 6 mph.
Tuesday
Showers. High near 52. Light and variable wind becoming east southeast around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Patchy fog. Low around 45. East northeast wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. Patchy fog before 7am. High near 62. East wind 6 to 8 mph becoming south in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 53. South wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Showers, with thunderstorms also possible after noon. High near 66. South southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51. West southwest wind around 7 mph becoming south southeast after midnight.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 74.
Friday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Saturday
Showers, mainly before noon. High near 67. Chance of precipitation is 80%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
A chance of showers. Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trilla IL
 39.38°N 88.34°W (Elev. 650 ft)
Last Update:
5:36 pm CST Mar 2, 2026
Forecast Valid:
6pm CST Mar 2, 2026-6pm CDT Mar 9, 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