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

Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Hazardous Weather Conditions

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Overcast

77°F

25°C

Humidity 96%
Wind Speed Calm
Barometer 29.73 in (1007.1 mb)
Dewpoint 76°F (24°C)
Visibility NA
Heat Index78°F (26°C)
Last update 11 Oct 3:53 am EDT
Extended Forecast for

Key West FL

Coastal Flood Advisory October 11, 04:53am until October 12, 06:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 11, 04:53am until October 12, 06:00am

    NOW until 6:00am Sun

    Coastal Flood Advisory

  • Overnight

    Low: 75 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Northwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers. Sunny, with a high near 86. Northwest wind around 5 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers. Mostly clear, with a low around 77. North wind around 5 mph. Chance of precipitation is 10%.

    Low: 77 °F

    Slight Chance
    Showers

  • Columbus Day

    Columbus Day: A slight chance of showers. Sunny, with a high near 86. Chance of precipitation is 10%.

    High: 86 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers. Mostly clear, with a low around 78. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Sunny, with a high near 86. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Northwest wind around 5 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Sunny, with a high near 86. Northwest wind around 5 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers. Mostly clear, with a low around 77. North wind around 5 mph. Chance of precipitation is 10%.
Columbus Day
A slight chance of showers. Sunny, with a high near 86. Chance of precipitation is 10%.
Monday Night
A slight chance of showers. Mostly clear, with a low around 78. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Sunny, with a high near 86. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 78. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 78. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Friday
A slight chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.55°N 81.77°W (Elev. 7 ft)
Last Update:
4:15 am EDT Oct 11, 2025
Forecast Valid:
4am EDT Oct 11, 2025-6pm EDT Oct 17, 2025
 
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