
ALT National Hurricane Center forecast issued at 4 AM CDT October 10, 2026, showing Post-Tropical Cyclone Isaias over southeastern Alabama with maximum sustained winds of 35 mph, moving north at 14 mph. The forecast track takes the system north through Alabama and Tennessee, then northeast toward Kentucky and West Virginia by Sunday afternoon. The white cone indicates uncertainty in the storm center's path, not the full extent of hazardous weather.

ALT National Hurricane Center forecast for Hurricane Isaias, issued October 9, 2026, at 4 PM CDT. Isaias is a Category 3 hurricane with maximum sustained winds of 115 mph, moving north at 17 mph. The storm is approaching the northern Gulf Coast, with landfall expected Friday evening near the Alabama-Florida border. Hurricane warnings cover portions of the northern Gulf Coast, while tropical storm warnings extend inland across Alabama and surrounding areas. The storm is forecast to weaken while moving north through Alabama, Tennessee, and Kentucky over the weekend. Hazardous conditions can occur outside the forecast cone.

ALT National Hurricane Center peak storm surge forecast for Hurricane Isaias, issued October 9, 2026. The highest surge of 6–9 feet above ground level is forecast along the Alabama and western Florida Panhandle coastline near Gulf Shores and Orange Beach. Surge of 4–7 feet is forecast near Dauphin Island and eastward toward Indian Pass, Florida. Other coastal areas could experience 3–5 feet in southeastern Louisiana, 4–6 feet along portions of Florida's Big Bend, and 1–3 feet farther from the storm's center. Values represent potential water heights above normally dry ground.

ALT Weather Prediction Center map showing the greatest flash flood risk over the next three days from Hurricane Isaias, issued October 9, 2026. A Moderate Risk (at least 40%) extends along portions of the northern Gulf Coast from southern Alabama through the Florida Panhandle, with another Moderate Risk area extending from northern Georgia toward southeastern Tennessee. A broader Slight Risk (at least 15%) covers much of Alabama, Georgia, Tennessee, the Carolinas, and portions of northern Florida. Marginal Risk areas extend into surrounding states. Three smaller maps show the daily progression of flash flood risks through Monday morning.




























