Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.44°NLon: -88.76°WElev: 722ft.

Overcast

21°F

-6°C

Humidity 65%
Wind Speed Calm
Barometer 30.21 in (1024.0 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 12 Feb 2:53 am CST
Extended Forecast for

3 Miles NE Shelbyville IL

  • Overnight

    Overnight: Snow.  Low around 17. South southwest wind around 5 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Snow

    Low: 17 °F

  • Friday

    Friday: A 50 percent chance of snow, mainly before 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 28. Blustery, with a light west wind becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 26 mph.

    Chance Snow
    then
    Decreasing
    Clouds and
    Blustery

    High: 28 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 4. Wind chill values between -1 and -11. North northwest wind 11 to 17 mph, with gusts as high as 26 mph.

    Mostly Clear

    Low: 4 °F

  • Saturday

    Saturday: Sunny, with a high near 15. Wind chill values between -2 and -12. North northwest wind 6 to 11 mph, with gusts as high as 16 mph.

    Sunny

    High: 15 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of snow after midnight.  Mostly cloudy, with a low around 9. Light and variable wind becoming southeast 5 to 9 mph after midnight.

    Partly Cloudy
    then Chance
    Snow

    Low: 9 °F

  • Sunday

    Sunday: Snow likely.  Cloudy, with a high near 26. South southeast wind 9 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    Snow Likely

    High: 26 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 22. South southeast wind 8 to 13 mph, with gusts as high as 18 mph.

    Chance Snow

    Low: 22 °F

  • Washington's
    Birthday

    Washington's Birthday: Mostly cloudy, with a high near 37.

    Mostly Cloudy

    High: 37 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 26.

    Mostly Cloudy

    Low: 26 °F

Detailed Forecast

Overnight
Snow. Low around 17. South southwest wind around 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 28. Blustery, with a light west wind becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 26 mph.
Friday Night
Mostly clear, with a low around 4. Wind chill values between -1 and -11. North northwest wind 11 to 17 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 15. Wind chill values between -2 and -12. North northwest wind 6 to 11 mph, with gusts as high as 16 mph.
Saturday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 9. Light and variable wind becoming southeast 5 to 9 mph after midnight.
Sunday
Snow likely. Cloudy, with a high near 26. South southeast wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. South southeast wind 8 to 13 mph, with gusts as high as 18 mph.
Washington's Birthday
Mostly cloudy, with a high near 37.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 47.
Click Map For Forecast
Point Forecast:
3 Miles NE Shelbyville IL
 39.44°N 88.76°W (Elev. 574 ft)
3:24 am CST Feb 12, 2016
3am CST Feb 12, 2016-6pm CST Feb 18, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database