National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

73°F

23°C

Humidity 87%
Wind Speed N 7 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 12 Jan 2:53 am EST
Extended Forecast for

Long Key FL

  • Overnight

    Overnight: A chance of showers. Mostly cloudy, with a low around 69. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 76. Northeast wind around 15 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Partly cloudy, with a low around 70. Northeast wind around 10 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Sunny, with a high near 76. Northeast wind around 10 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly clear, with a low around 71. East wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly clear, with a low around 53. Breezy. Chance of precipitation is 10%.

    Low: 53 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
A chance of showers. Mostly cloudy, with a low around 69. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 76. Northeast wind around 15 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 70. Northeast wind around 10 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers. Sunny, with a high near 76. Northeast wind around 10 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 71. East wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 53. Breezy. Chance of precipitation is 10%.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 10%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 70. Chance of precipitation is 10%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Key FL
 24.83°N 80.81°W (Elev. 0 ft)
Last Update:
3:15 am EST Jan 12, 2026
Forecast Valid:
3am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation