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

81°F

27°C

Humidity 65%
Wind Speed Vrbl 3 mph
Barometer 29.80 in (1009.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 13 Nov 12:53 pm EST
Extended Forecast for

2 Miles SSE Big Pine Key FL

  • This Afternoon

    This Afternoon: A slight chance of showers. Mostly sunny, with a high near 81. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers. Partly cloudy, with a low around 70. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday

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

    High: 75 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Breezy, with a northeast wind 15 to 20 mph.

    Low: 68 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Sunday

    Sunday: A slight chance of showers. Mostly sunny, with a high near 80. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 10%.

    High: 80 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers. Mostly cloudy, with a low around 74. Windy. Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    Showers and
    Windy

  • Monday

    Monday: A slight chance of showers. Partly sunny, with a high near 82. Windy. Chance of precipitation is 10%.

    High: 82 °F

    Slight Chance
    Showers and
    Windy

  • Monday Night

    Monday Night: A chance of showers. 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 82. Windy. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers and
    Windy

Detailed Forecast

This Afternoon
A slight chance of showers. Mostly sunny, with a high near 81. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers. Partly cloudy, with a low around 70. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 10%.
Saturday
Mostly sunny, with a high near 75. Breezy, with a north wind 15 to 20 mph.
Saturday Night
Partly cloudy, with a low around 68. Breezy, with a northeast wind 15 to 20 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 80. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 10%.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 74. Windy. Chance of precipitation is 10%.
Monday
A slight chance of showers. Partly sunny, with a high near 82. Windy. Chance of precipitation is 10%.
Monday Night
A chance of showers. 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 82. Windy. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. Windy. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Windy. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 75. Windy. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 82. Windy. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Big Pine Key FL
 24.63°N 81.33°W (Elev. 0 ft)
Last Update:
12:15 pm EST Nov 13, 2026
Forecast Valid:
12pm EST Nov 13, 2026-6pm EST Nov 19, 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