Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles NE Islamorada FL

  • This Afternoon

    This Afternoon: Sunny, with a high near 54. Northwest wind around 15 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Wind chill values as low as 34. Northwest wind around 15 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57. Wind chill values as low as 34 early. North wind 10 to 15 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. North wind around 10 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. North wind around 10 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers.  Partly cloudy, with a low around 61. Chance of precipitation is 10%.

    Low: 61 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers.  Mostly sunny, with a high near 67. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 54. Northwest wind around 15 mph.
Tonight
Mostly clear, with a low around 41. Wind chill values as low as 34. Northwest wind around 15 mph.
Monday
Sunny, with a high near 57. Wind chill values as low as 34 early. North wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 48. North wind around 10 mph.
Tuesday
Mostly sunny, with a high near 64. North wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 10%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 67. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 51. Chance of precipitation is 10%.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Islamorada FL
 24.95°N 80.59°W (Elev. 0 ft)
2:15 pm EST Feb 1, 2026
2pm EST Feb 1, 2026-6pm EST Feb 7, 2026
 
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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