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

Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

87°F

31°C

Humidity 67%
Wind Speed E 6 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 17 Aug 4:53 pm EDT
Extended Forecast for

3 Miles ESE Big Pine Key FL

  • Tonight

    Tonight: Mostly clear, with a low around 83. Calm wind.

    Low: 83 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 83. Northwest wind around 5 mph.

    Low: 83 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Sunny, with a high near 90. West wind around 5 mph. Chance of precipitation is 10%.

    High: 90 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. Northwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 83 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 10%.

    High: 90 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers. Partly cloudy, with a low around 83. Chance of precipitation is 10%.

    Low: 83 °F

    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers. Mostly clear, with a low around 83. Chance of precipitation is 10%.

    Low: 83 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 83. Calm wind.
Tuesday
Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 83. Northwest wind around 5 mph.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 90. West wind around 5 mph. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. Northwest wind around 5 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 10%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 83. Chance of precipitation is 10%.
Friday
Sunny, with a high near 90.
Friday Night
A slight chance of showers. Mostly clear, with a low around 83. Chance of precipitation is 10%.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 83.
Sunday
Sunny, with a high near 90.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 83. Chance of precipitation is 10%.
Monday
A slight chance of showers. Sunny, with a high near 90. Chance of precipitation is 10%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Big Pine Key FL
 24.65°N 81.31°W (Elev. 0 ft)
Last Update:
5:15 pm EDT Aug 17, 2026
Forecast Valid:
5pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
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Additional Resources

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Chance of Precipitation