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

51°F

11°C

Humidity 45%
Wind Speed N 5 mph
Barometer 30.07 in (1018.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 2 May 7:53 pm CDT
Extended Forecast for

Trilla IL

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 38. Northwest wind around 5 mph becoming calm.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: A slight chance of showers before 2pm, then a slight chance of showers after 5pm. Patchy frost before 7am. Otherwise, increasing clouds, with a high near 66. Breezy, with a south southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    High: 66 °F

    Patchy Frost
    then Slight
    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Partly cloudy, with a low around 57. South southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 64. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly before 1am. Low around 44. North wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 56.

    High: 56 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 38. Northwest wind around 5 mph becoming calm.
Sunday
A slight chance of showers before 2pm, then a slight chance of showers after 5pm. Patchy frost before 7am. Otherwise, increasing clouds, with a high near 66. Breezy, with a south southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Partly cloudy, with a low around 57. South southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 64. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers, mainly before 1am. Low around 44. North wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 56.
Wednesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 72.
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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:
7:36 pm CDT May 2, 2026
Forecast Valid:
8pm CDT May 2, 2026-6pm CDT May 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation