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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Mostly Cloudy

79°F

26°C

Humidity 77%
Wind Speed NW 6 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 13 Nov 4:53 pm EST
Extended Forecast for

6 Miles E Big Pine Key FL

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Breezy, with a north wind 10 to 20 mph.

    Low: 69 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 75. Breezy, with a north wind 15 to 20 mph.

    High: 75 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Northeast wind around 15 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Northeast wind around 15 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Breezy, with an east wind around 20 mph.

    Low: 74 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 81. Windy.

    High: 81 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Windy. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers and
    Windy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Very windy. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers and
    Very Windy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Windy. Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Breezy, with a north wind 10 to 20 mph.
Saturday
Sunny, with a high near 75. Breezy, with a north wind 15 to 20 mph.
Saturday Night
Partly cloudy, with a low around 68. Northeast wind around 15 mph.
Sunday
Mostly sunny, with a high near 80. Northeast wind around 15 mph.
Sunday Night
Partly cloudy, with a low around 74. Breezy, with an east wind around 20 mph.
Monday
Mostly sunny, with a high near 81. Windy.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Windy. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Very windy. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Windy. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Windy. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 75. Windy. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly sunny, with a high near 82. Windy. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 75. Windy. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly sunny, with a high near 82. Windy. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Big Pine Key FL
 24.67°N 81.25°W (Elev. 3 ft)
Last Update:
5:15 pm EST Nov 13, 2026
Forecast Valid:
5pm EST Nov 13, 2026-6pm EST Nov 20, 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