National Weather Service Jacksonville forecast for North Florida October 4, 2025
JACKSONVILLE, Florida – The National Weather Service in Jacksonville has issued a forecast for North Florida predicting waves of heavy rain and thunderstorms through Monday, October 6, 2025, with risks of localized flooding and minor to moderate coastal flooding, especially along the Atlantic coast and St. Johns River basin.
According to NWS Jacksonville, Coastal Flood Warnings and Advisories remain in effect through the weekend and next week along the Atlantic coast and St. Johns River basin.
Dangerous marine and beach conditions persist, with heavy downpours forecast on Sunday and Monday. 2-4 inch rainfall totals expected along the northeast FL coast and St. Johns River, with locally higher amounts possible. Minor to moderate tidal flooding around astronomical high tides due to October’s full moon.
No active severe weather watches, but high rip current risk, high surf advisory, and small craft advisory in effect.
Storms will continue to develop, with heavy downpours expected, bringing localized flood risk through early next week.
Storms will be capable of producing:
The greatest risk for heavy rainfall and flooding is along the coast and St. Johns River basin, with expected totals of 2-4 inches or more possible through Monday. There is also a high chance of precipitation, ranging from 40-70% across much of the region.
North Florida cities at risk for heavy rainfall and thunderstorms include regions such as:
Additionally, heavy downpours on already-saturated ground increases the risk for flooding, especially in urban, low-lying, saturated, and poor drainage areas. Minor to moderate coastal flooding during high tides through next week. Avoid flooded areas and never enter flood waters. Turn Around Don’t Drown!
Today (Saturday) A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Breezy, with an east wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Tonight A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Breezy, with an east wind 11 to 15 mph, with gusts as high as 23 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Breezy, with an east wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night A chance of showers, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 74. Breezy, with an east wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
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