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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Current conditions at

Marathon, Marathon Airport (KMTH)

Lat: 25.14°NLon: -80.95°WElev: 7ft.

Fair

62°F

17°C

Humidity 67%
Wind Speed NE 10 mph
Barometer 30.29 in (1025.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 11 Feb 9:53 pm EST
Extended Forecast for

23 Miles NNW Long Key FL

  • Tonight

    Tonight: Clear, with a low around 57. Northeast wind 9 to 11 mph.

    Clear

    Low: 57 °F

  • Friday

    Friday: Sunny, with a high near 73. East wind 7 to 13 mph.

    Sunny

    High: 73 °F

  • Friday
    Night

    Friday Night: Clear, with a low around 59. North wind 5 to 11 mph.

    Clear

    Low: 59 °F

  • Saturday

    Saturday: Sunny, with a high near 73. North wind 11 to 13 mph.

    Sunny

    High: 73 °F

  • Saturday
    Night

    Saturday Night: Clear, with a low around 58. Breezy, with a northeast wind 11 to 18 mph, with gusts as high as 24 mph.

    Clear then
    Mostly Clear
    and Breezy

    Low: 58 °F

  • Sunday

    Sunday: Sunny, with a high near 72. Breezy, with an east wind 16 to 20 mph, with gusts as high as 25 mph.

    Sunny and
    Breezy

    High: 72 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 66. Windy, with an east wind 18 to 21 mph, with gusts as high as 26 mph.

    Mostly Cloudy
    and Windy

    Low: 66 °F

  • Washington's
    Birthday

    Washington's Birthday: A 20 percent chance of showers.  Partly sunny, with a high near 75. Breezy, with an east wind around 17 mph, with gusts as high as 23 mph.

    Slight Chance
    Showers and
    Breezy

    High: 75 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 68. East wind 7 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Chance
    Showers

    Low: 68 °F

Detailed Forecast

Tonight
Clear, with a low around 57. Northeast wind 9 to 11 mph.
Friday
Sunny, with a high near 73. East wind 7 to 13 mph.
Friday Night
Clear, with a low around 59. North wind 5 to 11 mph.
Saturday
Sunny, with a high near 73. North wind 11 to 13 mph.
Saturday Night
Clear, with a low around 58. Breezy, with a northeast wind 11 to 18 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 72. Breezy, with an east wind 16 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 66. Windy, with an east wind 18 to 21 mph, with gusts as high as 26 mph.
Washington's Birthday
A 20 percent chance of showers. Partly sunny, with a high near 75. Breezy, with an east wind around 17 mph, with gusts as high as 23 mph.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 68. East wind 7 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 76.
Click Map For Forecast
Point Forecast:
23 Miles NNW Long Key FL
 25.14°N 80.95°W
8:45 pm EST Feb 11, 2016
10pm EST Feb 11, 2016-6pm EST Feb 18, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database