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.

Fair

16°F

-9°C

Humidity 74%
Wind Speed W 5 mph
Barometer 30.27 in (1025.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 22 Jan 5:53 am CST
Extended Forecast for

Greenup IL

Cold Weather Advisory January 23, 03:00am until January 24, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Increasing clouds, with a high near 34. West northwest wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 34 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 5. West southwest wind 6 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.

    Low: 5 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 11. Wind chill values between -5 and -10. North wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 11 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 3. Wind chill values between -7 and -12. North northeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Cloudy, with a high near 13. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 13 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: Snow. Low around 10. Northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    Low: 10 °F

    Snow

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 17. North wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 17 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 34. West northwest wind 7 to 10 mph, with gusts as high as 16 mph.
Tonight
Mostly cloudy, with a low around 5. West southwest wind 6 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.
Friday
Partly sunny, with a high near 11. Wind chill values between -5 and -10. North wind 11 to 16 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 3. Wind chill values between -7 and -12. North northeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
Snow likely, mainly after noon. Cloudy, with a high near 13. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Snow. Low around 10. Northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Sunday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 17. North wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 0.
Monday
Mostly sunny, with a high near 14.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.15°W (Elev. 587 ft)
Last Update:
5:36 am CST Jan 22, 2026
Forecast Valid:
6am CST Jan 22, 2026-6pm CST Jan 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation