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Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Key West Naval Air Station (KNQX)

Lat: 24.58°NLon: 81.68°WElev: 3ft.

Partly Cloudy

88°F

31°C

Humidity 75%
Wind Speed SE 7 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 11 Oct 1:53 pm EDT
Extended Forecast for

Big Coppitt Key FL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 5 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 82. East wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 82 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Columbus Day

    Columbus Day: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Sunny, with a high near 88. Northeast wind around 10 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly clear, with a low around 80. Chance of precipitation is 10%.

    Low: 80 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 80. Chance of precipitation is 30%.

    Low: 80 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 5 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 82. East wind 5 to 10 mph. Chance of precipitation is 30%.
Columbus Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday
A slight chance of showers. Sunny, with a high near 88. Northeast wind around 10 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 80. Chance of precipitation is 10%.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 88. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 80. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 88. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 81. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Big Coppitt Key FL
 24.59°N 81.67°W (Elev. 3 ft)
Last Update:
2:15 pm EDT Oct 11, 2026
Forecast Valid:
2pm EDT Oct 11, 2026-6pm EDT Oct 17, 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