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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

70°F

21°C

Humidity 68%
Wind Speed SW 5 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 3 Jan 10:53 pm EST
Extended Forecast for

Key Colony Beach FL

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southwest wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. West wind around 5 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a steady temperature around 72. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. East wind around 5 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. East wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 74. West wind around 5 mph.
Sunday Night
Mostly clear, with a steady temperature around 72. Northwest wind around 5 mph becoming northeast after midnight.
Monday
Sunny, with a high near 74. East wind around 5 mph.
Monday Night
Mostly clear, with a low around 67. East wind around 5 mph.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 77.
Friday Night
A slight chance of showers. Mostly clear, with a low around 71. Chance of precipitation is 10%.
Saturday
A slight chance of showers. Sunny, with a high near 76. Chance of precipitation is 10%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Key Colony Beach FL
 24.74°N 81.02°W (Elev. 0 ft)
Last Update:
11:50 pm EST Jan 3, 2026
Forecast Valid:
11pm EST Jan 3, 2026-6pm EST Jan 10, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation