Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Fair

83°F

28°C

Humidity 74%
Wind Speed SW 7 mph
Barometer 29.90 in (1012.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Sep 8:53 am EDT
Extended Forecast for

Key West FL

  • Today

    Today: Showers likely and possibly a thunderstorm.  Partly sunny, with a high near 89. Southwest wind around 10 mph.  Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm.  Partly cloudy, with a low around 79. Southeast wind 5 to 10 mph.  Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm.  Mostly sunny, with a high near 90. South wind 5 to 10 mph.  Chance of precipitation is 70%.

    High: 90 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 79. Southeast wind 10 to 15 mph.  Chance of precipitation is 70%.

    Low: 79 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 89. South wind 5 to 10 mph.  Chance of precipitation is 80%.

    High: 89 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 80. Chance of precipitation is 70%.

    Low: 80 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm.  Partly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 79. Chance of precipitation is 50%.

    Low: 79 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 90. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Southwest wind around 10 mph. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 79. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. South wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 79. Southeast wind 10 to 15 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 89. South wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.55°N 81.77°W (Elev. 7 ft)
9:15 am EDT Sep 21, 2026
9am EDT Sep 21, 2026-6pm EDT Sep 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database