Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Light Rain Fog/Mist

43°F

6°C

Humidity 93%
Wind Speed E 6 mph
Barometer 29.98 in (1015.6 mb)
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Wind Chill39°F (4°C)
Last update 14 Feb 3:53 pm CST
Extended Forecast for

Sullivan IL

  • This Afternoon

    This Afternoon: Rain likely.  Cloudy, with a high near 48. South southeast wind around 7 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 4am.  Patchy fog after 4am. Low around 41. East wind 6 to 8 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 56. Northeast wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 56 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 58. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South wind around 8 mph, with gusts as high as 15 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. South wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. Breezy.

    Low: 54 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 67. Breezy.

    High: 67 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a high near 48. South southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 4am. Patchy fog after 4am. Low around 41. East wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 56. Northeast wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Mostly clear, with a low around 35. Light and variable wind.
Washington's Birthday
Partly sunny, with a high near 58. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 41. South wind around 8 mph, with gusts as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 60. South wind 8 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 54. Breezy.
Wednesday
Sunny, with a high near 67. Breezy.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
A chance of rain. Mostly sunny, with a high near 64.
Thursday Night
A chance of rain. Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.59°N 88.61°W (Elev. 669 ft)
3:36 pm CST Feb 14, 2026
4pm CST Feb 14, 2026-6pm CST Feb 21, 2026
 
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Additional Resources

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