Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

25°F

-4°C

Humidity 55%
Wind Speed SW 14 G 30 mph
Barometer 29.95 in (1015.3 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 18 Jan 10:53 pm CST
Extended Forecast for

Greenup IL

Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Mostly cloudy, with a low around 8. Wind chill values between -7 and 3. Blustery, with a west northwest wind 13 to 21 mph, with gusts as high as 34 mph.

    Low: 8 °F

    Mostly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 16. Wind chill values between -2 and -12. Blustery, with a west northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 16 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 8. Wind chill values between -2 and 3. Southwest wind 3 to 8 mph. Winds could gust as high as 15 mph.

    Low: 8 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Wind chill values between -1 and 9. Southwest wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 23. South wind 6 to 16 mph, with gusts as high as 28 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. West southwest wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. West northwest wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 8. Wind chill values between -7 and 3. Blustery, with a west northwest wind 13 to 21 mph, with gusts as high as 34 mph.
M.L.King Day
Mostly sunny, with a high near 16. Wind chill values between -2 and -12. Blustery, with a west northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.
Monday Night
Increasing clouds, with a low around 8. Wind chill values between -2 and 3. Southwest wind 3 to 8 mph. Winds could gust as high as 15 mph.
Tuesday
Mostly sunny, with a high near 30. Wind chill values between -1 and 9. Southwest wind 6 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
Increasing clouds, with a low around 23. South wind 6 to 16 mph, with gusts as high as 28 mph.
Wednesday
Partly sunny, with a high near 43. West southwest wind 9 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 20. West northwest wind 6 to 9 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly cloudy, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 14.
Saturday
A chance of snow. Mostly cloudy, with a high near 23.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 17.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.18°W (Elev. 538 ft)
9:36 pm CST Jan 18, 2026
11pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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