Notice of NWS' New Version of Forecast
A new version of Forecast will launch March 7, 2017.
Click here to visit the new site for details.

Heavy Snow from the Wasatch to the Upper Midwest

A strong weather system will bring heavy snow, gusty winds, and difficult travel conditions to a broad area from the Great Basin to the Upper Midwest. Farther south, strong winds and dry conditions is increasing the wildfire threat. Unusual warmth from the Ohio Valley to the Mid-Atlantic continues. The approaching cold front brings a threat of severe weather to the Ohio Valley later in the week. Read More >

Hazardous Weather Conditions

Current conditions at

Marathon, Marathon Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 7ft.

Mostly Cloudy

72°F

22°C

Humidity 73%
Wind Speed W 9 G 17 mph
Barometer 29.67 in (1004.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 22 Feb 6:53 pm EST
Extended Forecast for

23 Miles NNW Long Key FL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 65. West wind 7 to 11 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    Low: 65 °F

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 1pm.  Mostly sunny, with a high near 74. Breezy, with a west wind 11 to 16 mph, with gusts as high as 21 mph.

    Chance
    Showers and
    Breezy

    High: 74 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 67. West wind 8 to 13 mph.

    Partly Cloudy

    Low: 67 °F

  • Friday

    Friday: Mostly sunny, with a high near 78. Northwest wind 3 to 8 mph.

    Mostly Sunny

    High: 78 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 68. Northwest wind 7 to 9 mph becoming northeast after midnight.

    Partly Cloudy

    Low: 68 °F

  • Saturday

    Saturday: Sunny, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon.

    Sunny

    High: 79 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 66. West wind 8 to 10 mph.

    Mostly Clear

    Low: 66 °F

  • Sunday

    Sunday: Sunny, with a high near 78. North wind around 8 mph becoming east in the afternoon.

    Sunny

    High: 78 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 69. East wind 9 to 11 mph.

    Partly Cloudy

    Low: 69 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 65. West wind 7 to 11 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 74. Breezy, with a west wind 11 to 16 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 67. West wind 8 to 13 mph.
Friday
Mostly sunny, with a high near 78. Northwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 68. Northwest wind 7 to 9 mph becoming northeast after midnight.
Saturday
Sunny, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66. West wind 8 to 10 mph.
Sunday
Sunny, with a high near 78. North wind around 8 mph becoming east in the afternoon.
Sunday Night
Partly cloudy, with a low around 69. East wind 9 to 11 mph.
Monday
Mostly sunny, with a high near 79. Breezy.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
23 Miles NNW Long Key FL
 25.14°N 80.95°W
7:31 pm EST Feb 22, 2017
7pm EST Feb 22, 2017-6pm EST Mar 1, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database