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Martin County, FL Warnings, Watches and Advisories

SAFETY and DATA MESSAGE

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Martin County.

Use the Radar Maps link provided to understand the trajectory of a storm.

NWS Active Alerts for FL - Map View

State: FL Total alerts: 2 Updated: Sep 5, 2026 4:18pm EDT

Special Weather Statement

Area
Eastern Marion
Special Weather Statement issued September 5 at 4:10PM EDT by NWS Jacksonville FL

At 410 PM EDT, Doppler radar was tracking a strong thunderstorm near Juniper Springs, moving east at 15 mph. HAZARD...Wind gusts around 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Juniper Springs.

Flood Advisory

Area
St. Johns, FL
Flood Advisory issued September 5 at 4:02PM EDT until September 5 at 5:00PM EDT by NWS Jacksonville FL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northeastern St. Johns County in northeastern Florida... * WHEN...Until 500 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 402 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts up to 0.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Vilano Beach. - http://www.weather.gov/safety/flood

For more official information about severe storms and how to stay safe, visit the National Weather Service's Severe Thunderstorm Safety page. We encourage you to also monitor Excessive Rainfall Forecasts on their Weather Prediction Center website.

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