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

53°F

12°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 53°F (12°C)
Visibility 0.75 mi
Wind Chill51°F (11°C)
Last update 25 Dec 7:53 am CST
Extended Forecast for

Greenup IL

Dense Fog Advisory December 25, 08:58am until December 25, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 25, 08:58am until December 25, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Christmas Day

    High: 60 °F

    Slight Chance
    Rain and
    Dense Fog

  • Tonight

    Tonight: A slight chance of drizzle. Patchy fog. Otherwise, cloudy, with a low around 54. East wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Friday

    Friday: A 20 percent chance of rain before noon. Patchy fog before noon. Otherwise, partly sunny, with a high near 68. South wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 68 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 44. West northwest wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 61. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 61 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. Southeast wind around 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after noon. Cloudy, with a high near 65. South southwest wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely before midnight. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 60%.

    Low: 20 °F

    Rain Likely
    then Mostly
    Cloudy and
    Blustery

Detailed Forecast

Christmas Day
A slight chance of drizzle before noon, then a slight chance of rain after 5pm. Widespread dense fog, mainly before 10am. Otherwise, cloudy, with a high near 60. East northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
A slight chance of drizzle. Patchy fog. Otherwise, cloudy, with a low around 54. East wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph.
Friday
A 20 percent chance of rain before noon. Patchy fog before noon. Otherwise, partly sunny, with a high near 68. South wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 44. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 61. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 54. Southeast wind around 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.
Sunday
Rain likely, mainly after noon. Cloudy, with a high near 65. South southwest wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely before midnight. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 60%.
Monday
Sunny, with a high near 26. Blustery.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.18°W (Elev. 538 ft)
Last Update:
8:37 am CST Dec 25, 2025
Forecast Valid:
8am CST Dec 25, 2025-6pm CST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation