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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Thunderstorm in Vicinity

76°F

24°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 29.95 in (1014.8 mb)
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index75°F (24°C)
Last update 8 Dec 1:53 am EST
Extended Forecast for

3 Miles SW Marquesas Keys FL

  • Overnight

    Overnight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind around 10 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. West wind around 15 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 71. Breezy, with a northwest wind 15 to 20 mph. Chance of precipitation is 40%.

    Low: 71 °F

    Scattered
    Showers and
    Breezy

  • Tuesday

    Tuesday: Scattered showers. Mostly cloudy, with a high near 75. Breezy, with a northeast wind around 20 mph. Chance of precipitation is 40%.

    High: 75 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Isolated showers. Mostly cloudy, with a low around 72. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Isolated
    Showers and
    Breezy

  • Wednesday

    Wednesday: Isolated showers. Partly sunny, with a high near 76. Chance of precipitation is 20%.

    High: 76 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 71. Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 75. Chance of precipitation is 10%.

    High: 75 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Mostly clear, with a low around 71. Chance of precipitation is 10%.

    Low: 71 °F

    Isolated
    Showers

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind around 10 mph. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. West wind around 15 mph. Chance of precipitation is 60%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 71. Breezy, with a northwest wind 15 to 20 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 75. Breezy, with a northeast wind around 20 mph. Chance of precipitation is 40%.
Tuesday Night
Isolated showers. Mostly cloudy, with a low around 72. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 20%.
Wednesday
Isolated showers. Partly sunny, with a high near 76. Chance of precipitation is 20%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Thursday
Isolated showers. Mostly sunny, with a high near 75. Chance of precipitation is 10%.
Thursday Night
Isolated showers. Mostly clear, with a low around 71. Chance of precipitation is 10%.
Friday
Isolated showers. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Friday Night
Isolated showers. Mostly cloudy, with a low around 73. Chance of precipitation is 20%.
Saturday
Isolated showers. Partly sunny, with a high near 76. Chance of precipitation is 20%.
Saturday Night
Isolated showers. Mostly cloudy, with a low around 71. Breezy. Chance of precipitation is 20%.
Sunday
Isolated showers. Partly sunny, with a high near 76. Breezy. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marquesas Keys FL
 24.54°N 82.13°W (Elev. 0 ft)
Last Update:
2:15 am EST Dec 8, 2025
Forecast Valid:
2am EST Dec 8, 2025-6pm EST Dec 14, 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