Saint Johns County Warnings, Watches and Advisories

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 Saint Johns County.

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

Flash Flood Warning issued July 15 at 11:08AM EDT until July 15 at 12:00PM EDT by NWS Melbourne FL

FFWMLB The National Weather Service in Melbourne has issued a * Flash Flood Warning for... Northwestern Brevard County in east central Florida... * Until noon EDT. * At 1108 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 3 and 5 inches of rain have fallen. Additional rainfall amounts of 2 to 4 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Titusville, Haulover Canal, Mims, Scottsmoor, Playalinda Beach, Merritt Island Wildlife Refuge, Klondike Beach, Lagrange, Turnbull, Shiloh and Aurantia. This includes the following streams and drainages... Saint Johns River and Catfish Creek.

Flood Advisory issued July 15 at 10:43AM EDT until July 15 at 12:15PM EDT by NWS Melbourne FL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of east central Florida, including the following counties, Brevard, Seminole and Volusia. * WHEN...Until 1215 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 1042 AM EDT, Doppler radar and automated rain gauges indicated heavy rain due to slow moving showers and thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 2 and 3 inches of rain have fallen. - Additional rainfall amounts of 2 to 3 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Deltona, Port Orange, Sanford, Titusville, DeLand, New Smyrna Beach, Edgewater, Lake Mary, Orange City, Lake Helen, Oak Hill, Geneva, Scottsmoor, Mims, Lake Jesup, Haulover Canal, DeBary, Playalinda Beach, Maytown and Osteen. - http://www.weather.gov/safety/flood

Flood Warning issued July 15 at 10:14AM EDT until July 17 at 10:24PM EDT by NWS Tampa Bay Ruskin FL

...The National Weather Service in Tampa Bay Ruskin FL has issued a Flood Warning for the following rivers in Florida... Alafia River At Lithia affecting Hillsborough County. Little Manatee River At Wimauma at US 301 affecting Hillsborough County. * WHAT...Minor flooding is forecast. * WHERE...Little Manatee River at Wimauma at US 301. * WHEN...From Wednesday afternoon to late Thursday evening. * IMPACTS...At 11.0 feet, The river overflows its banks. * ADDITIONAL DETAILS... - At 9:00 AM EDT Tuesday the stage was 4.3 feet. - Bankfull stage is 11.0 feet. - Forecast...The river is expected to rise above flood stage tomorrow afternoon to a crest of 11.6 feet early Thursday morning. It will then fall below flood stage Thursday afternoon. - Flood stage is 11.0 feet. - Flood History...This crest compares to a previous crest of 11.6 feet on 09/02/1959. - https://www.weather.gov/safety/flood

Flood Warning issued July 15 at 10:14AM EDT until July 18 at 5:00PM EDT by NWS Tampa Bay Ruskin FL

...The National Weather Service in Tampa Bay Ruskin FL has issued a Flood Warning for the following rivers in Florida... Alafia River At Lithia affecting Hillsborough County. Little Manatee River At Wimauma at US 301 affecting Hillsborough County. * WHAT...Minor flooding is forecast. * WHERE...Alafia River at Lithia . * WHEN...From Wednesday morning to Friday afternoon. * IMPACTS...At 15.0 feet, Additional residences downstream of County Road 640 bridge begin flooding. * ADDITIONAL DETAILS... - At 9:00 AM EDT Tuesday the stage was 5.6 feet. - Bankfull stage is 13.0 feet. - Forecast...The river is expected to rise above flood stage tomorrow morning to a crest of 14.7 feet Thursday morning. It will then fall below flood stage late Friday morning. - Flood stage is 13.0 feet. - Flood History...This crest compares to a previous crest of 14.7 feet on 03/18/1983. - https://www.weather.gov/safety/flood

Flood Warning issued July 15 at 10:14AM EDT by NWS Tampa Bay Ruskin FL

...The Flood Warning is extended for the following rivers in Florida... Horse Creek Near Arcadia at SR 72 affecting DeSoto County. * WHAT...Minor flooding is forecast. * WHERE...Horse Creek near Arcadia at SR 72. * WHEN...From Wednesday evening until further notice. * IMPACTS...At 12.0 feet, The access road to Hidden Acres is impassable. * ADDITIONAL DETAILS... - At 9:30 AM EDT Tuesday the stage was 6.0 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise above flood stage late tomorrow evening and continue rising to a crest of 12.8 feet early Friday morning. - Flood stage is 12.0 feet. - Flood History...This crest compares to a previous crest of 12.8 feet on 08/30/1981. - https://www.weather.gov/safety/flood

Flood Watch issued July 15 at 10:05AM EDT until July 15 at 8:00PM EDT by NWS Jacksonville FL

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northern Florida, including the following areas, Central Marion, Eastern Marion and Western Marion. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Disorganized low pressure off the Florida Space coast is moving onshore, producing heavy rainfall rates. - http://www.weather.gov/safety/flood

Flood Watch issued July 15 at 10:00AM EDT until July 15 at 11:00PM EDT by NWS Tampa Bay Ruskin FL

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of west central Florida, including the following areas, Coastal Citrus, Coastal Hernando, Coastal Hillsborough, Coastal Levy, Coastal Manatee, Coastal Pasco, Hardee, Inland Citrus, Inland Hernando, Inland Hillsborough, Inland Levy, Inland Manatee, Inland Pasco, Pinellas, Polk and Sumter. * WHEN...Through this evening. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Heavy rainfall associated with Invest 93 will lead to localized flooding. - https://www.weather.gov/safety/flood

Flood Watch issued July 15 at 9:57AM EDT until July 15 at 8:00PM EDT by NWS Melbourne FL

An area of low pressure will push onshore the east central Florida coast this morning and move westward across the area today. Persistent bands of heavier showers and storms associated with this system will produce widespread rainfall totals of 1 to 3 inches, with localized totals of 4 to 7 inches. This rainfall will be capable of producing isolated flash flooding across the watch area today. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of east central Florida, including the following areas, Coastal Volusia, Inland Northern Brevard, Inland Southern Brevard, Inland Volusia, Mainland Northern Brevard, Mainland Southern Brevard, Northern Brevard Barrier Islands, Northern Lake, Orange, Osceola, Seminole, Southern Brevard Barrier Islands and Southern Lake. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

Heat Advisory issued July 15 at 12:58AM EDT until July 15 at 8:00PM EDT by NWS Tallahassee FL

* WHAT...Heat index values around 108 expected. * WHERE...Portions of the Big Bend and Panhandle of Florida and south central and southwest Georgia. * WHEN...From 11 AM EDT /10 AM CDT/ this morning to 8 PM EDT /7 PM CDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.