National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Click a location below for detailed forecast.

Last Map Update: Sat, Aug 29, 2026 at 6:02:29 am EDT

Seasonably warm weather continues through the weekend and into September across the Keys. Slightly above to above normal rain chances (40-50%) expected through Tuesday E-SE breezes during the day will become NE-E for a time each evening through Tuesday, occasionally becoming gentle to moderate overnight into the early morning hours.
TODAY... Mostly sunny with a chance of showers and thunderstorms. Highs near 90. East winds 5 to 10 mph. Chance of rain 50 percent.
TODAY... E-SE light/gentle breezes (~10 kts). Seas: Bay/Gulfside ~1 ft; Hawk Channel 1-2 ft; Florida Straits ~2 ft; SE Gulf ~1 ft. Bay/nearshore waters a light chop. Chance of showers and thunderstorms.
TODAY... E-SE light/gentle breezes (~10 kts). Seas: Bay/Gulfside ~1 ft; Hawk Channel 1-2 ft; Florida Straits ~2 ft; SE Gulf ~1 ft. Bay/nearshore waters a light chop. Chance of showers and thunderstorms.

 


 

Text Product Selector
(Selected product opens in a new window) 
 
 

Sunrise & Sunset

Sunrise & Sunset

 

Moon Rise & Set

Moon Rise & Set

 

Moon Illumination

Moon Illumination

 

Tide Information

Tide Information

 

Tropical

Tropical

 

Coastal Flooding

Coastal Flooding

 

Tallship

Marine

 

Nearshore Waves

Wave Prediction

 

Thumbnail for a local waterspouts website, showing 4 waterspouts.

Waterspouts

 

Airplane

Aviation

 

Key West & Marathon Climographs 2020

Climographs

 

Tropical

Forecast Discussion

 

NOAA Weather Radio

NOAA Weather Radio