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: Fri, Aug 28, 2026 at 10:34:37 am EDT

Watches, Warnings & Advisories

National Weather Service National Weather Service

National Weather Service Tampa Bay Area, FL

National Weather Service Miami - South Florida

Zoom Out

Short Term Forecast

Florida Keys Weekend Outlook

Island Chain

Marine Winds

Wave Heights

Chances of showers and thunderstorms continue today (30%), slight chances tonight (20%). Increasing rain chances expected through Sunday. The overall weather pattern continues to support higher rain probabilities as we head into next week, with 50-60% chances Monday through Thursday. Light to gentle E-SE breezes prevail peaking evenings and overnight and lulling in the afternoon, except occasional moderate breezes S of the Island Chain tonight. Highs near 90° and overnight lows in the lower to mid 80s and dew points in the mid to upper 70s.

TODAY... Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. East winds near 5 mph. Chance of rain 30 percent.

TODAY... E-SE light/gentle breezes (~10 kts Hawk Channel and Florida Straits). Seas: Bay/Gulfside ~1 ft; Hawk Channel 1-2 ft; Florida Straits ~2 ft; SE Gulf ~1 ft. Bay/nearshore waters smooth to a light chop (Hawk Channel light chop). Chance of showers and thunderstorms.

Text Product Selector

(Selected product opens in a new window)

Local Radar

Weather Map

Graphical Forecast

KEY RSS Feed

Dangerous Heat and Possible Flooding

NWS Key West