Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fog/Mist

55°F

13°C

Humidity 96%
Wind Speed SE 9 mph
Barometer 30.08 in (1018.8 mb)
Dewpoint 54°F (12°C)
Visibility 0.75 mi
Wind Chill53°F (12°C)
Last update 24 Dec 5:53 pm CST
Extended Forecast for

5 Miles S Sullivan IL

Dense Fog Advisory December 24, 09:00pm until December 25, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  • Tonight

    Tonight: A chance of drizzle, mainly before 1am.  Patchy dense fog.  Otherwise, cloudy, with a low around 50. South southeast wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.

    Low: 50 °F

    Chance
    Drizzle and
    Patchy Dense
    Fog

  • Christmas Day

    Christmas Day: Areas of dense fog before 11am.  Otherwise, cloudy, with a high near 53. North wind 5 to 8 mph becoming east in the afternoon.

    High: 53 °F

    Areas Dense
    Fog then
    Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after midnight.  Cloudy, with a low around 51. East wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.

    Low: 51 °F

    Cloudy then
    Slight Chance
    Rain

  • Friday

    Friday: Mostly sunny, with a high near 65. South wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Southeast wind around 9 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after noon.  Cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
A chance of drizzle, mainly before 1am. Patchy dense fog. Otherwise, cloudy, with a low around 50. South southeast wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.
Christmas Day
Areas of dense fog before 11am. Otherwise, cloudy, with a high near 53. North wind 5 to 8 mph becoming east in the afternoon.
Thursday Night
A 20 percent chance of rain after midnight. Cloudy, with a low around 51. East wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.
Friday
Mostly sunny, with a high near 65. South wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 59. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 50. Southeast wind around 9 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Sunday
Rain likely, mainly after noon. Cloudy, with a high near 57. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 16.
Monday
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 33.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Sullivan IL
 39.52°N 88.59°W (Elev. 617 ft)
6:36 pm CST Dec 24, 2025
6pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
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Additional Resources

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