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.

Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed S 8 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 57°F (14°C)
Visibility 2.00 mi
Last update 25 Dec 10:53 pm CST
Extended Forecast for

Mattoon IL

Dense Fog Advisory December 26, 12:38am until December 26, 04:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 26, 12:38am until December 26, 04:00am

    NOW until 4:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 53 °F

    Slight Chance
    Drizzle and
    Areas Dense
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 65. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 65 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. Northwest wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61. Southeast wind 5 to 10 mph, with gusts as high as 17 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after midnight. Cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain likely, then rain and possibly a thunderstorm after noon. High near 67. South southwest wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before midnight. Mostly cloudy, with a low around 20. Blustery, with a west northwest wind 16 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 20 °F

    Blustery.
    Rain Likely
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. Blustery.

    High: 26 °F

    Mostly Sunny
    and Blustery

Detailed Forecast

Overnight
A slight chance of drizzle. Areas of dense fog. Otherwise, mostly cloudy, with a low around 53. South wind 9 to 11 mph, with gusts as high as 21 mph.
Friday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 65. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 43. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 61. Southeast wind 5 to 10 mph, with gusts as high as 17 mph.
Saturday Night
A 40 percent chance of rain after midnight. Cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 20 mph.
Sunday
Rain likely, then rain and possibly a thunderstorm after noon. High near 67. South southwest wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely before midnight. Mostly cloudy, with a low around 20. Blustery, with a west northwest wind 16 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 26. Blustery.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 20.
New Year's Day
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.47°N 88.36°W (Elev. 728 ft)
Last Update:
11:22 pm CST Dec 25, 2025
Forecast Valid:
12am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Chance of Precipitation