Hurricane Isaias strengthened into a Category 3 storm on Friday, becoming the first major hurricane of the 2026 Atlantic season and the first hurricane of any strength in the Atlantic basin since Hurricane Melissa last October.
Hurricane Isaias a Category 3: How It Will Affect Atlanta
Its center is headed for the northern Gulf Coast, but the storm’s expanding wind field and rain bands are also expected to affect metro Atlanta from Friday night through Sunday.
As of Friday morning, the National Hurricane Center and local reporting placed the center about 240 to 245 miles south of Pensacola, Florida, and roughly 170 miles south-southeast of the mouth of the Mississippi River. Maximum sustained winds were near 120 mph, with a minimum central pressure around 958 to 959 millibars. The storm was moving north-northeast at about 15 mph and was expected to turn more northward later in the day.
On that track, Isaias was forecast to approach the northern Gulf Coast Friday afternoon and make landfall within the warning area late Friday night or early Saturday. Forecasters said some weakening was possible before landfall because of increasing wind shear, but the storm was expected to remain a dangerous hurricane, with life-threatening storm surge, damaging winds, and flooding rain.
A hurricane warning covered the coast from Ocean Springs, Mississippi, to the Bay/Gulf County line in the Florida Panhandle. A storm surge warning extended from the mouth of the Mississippi River to the Suwannee River in Florida, including Mobile Bay. Tropical storm warnings reached farther west into southeastern Louisiana and east into the Florida Big Bend. Forecast water levels above normally dry ground included about 5 to 7 feet from Ocean Springs to Indian Pass, Florida, and 3 to 5 feet from the Mississippi River mouth to Ocean Springs. Rainfall of roughly 4 to 8 inches was expected across southern Alabama, the Florida Panhandle and Big Bend, and southwest Georgia, with locally higher amounts.
Hurricane-force winds extended outward up to about 30 miles from the center, while tropical-storm-force winds reached out to roughly 185 miles. Seas near the center were reported near 32 feet. After landfall, the center was expected to weaken while moving northward across Mississippi and Alabama toward the Tennessee Valley, leaving north and central Georgia on the storm’s northeast side.
Metro Atlanta
Metro Atlanta is outside the landfall zone, but the National Weather Service in Peachtree City expects a prolonged period of strong winds, heavy rain with localized flooding, and a few tornadoes from Friday night through Sunday.
Showers should spread into the metro area near and after sunset Friday, with conditions worsening around midnight as repeated rain bands move through Saturday. Rainfall totals of 1 to 3 inches are likely across much of north and central Georgia, with localized amounts up to about 5 inches where bands train over the same spots. Local forecasts for Atlanta specifically have called for on the order of 3 inches or more in a higher-end scenario. High rainfall rates and repeated rounds raise the risk of localized flash flooding in urban and poorly drained areas, as well as along flood-prone creeks and streams. Lingering rain is possible into Sunday, with conditions expected to improve Sunday morning into the afternoon.
Wind is a separate concern even as the storm weakens inland. A strong pressure gradient between Isaias and high pressure over the Mid-Atlantic is forecast to support a long period of gusty easterly winds. The NWS has highlighted frequent gusts of 40 to 50 mph across much of north Georgia from early Saturday through early Sunday, and a High Wind Watch covers much of that area. Local Atlanta outlets have described a similar range, with gusts potentially near 40 to 50 mph. Combined with rain-softened soil, those winds could bring down limbs, trees, and power lines, and power outages are possible. A Tropical Storm Watch farther southwest, in west-central Georgia, covers areas where gusts of 40 to 50 mph are also possible closer to the expanding wind field.
The tornado threat is expected to begin overnight Friday and continue through Saturday as outer rain bands rotate inland. Tornadoes embedded in those bands can form quickly, including at night, so multiple ways to receive warnings are advised.
Isaias formed in the Bay of Campeche around October 6 and became a hurricane overnight from Wednesday into Thursday, ending an unusually quiet stretch. It is the ninth named storm of the 2026 season and the first to reach hurricane strength. No Atlantic hurricane formed in September, the climatological peak of the season—the first September without one in the satellite era. Its arrival as a hurricane on October 8 tied or nearly matched the latest first Atlantic hurricane in records going back to 1851; the previous comparable case often cited is 1905. In the satellite era, which dates to the mid-1960s, the prior latest first hurricane was September 11, set by Gustav in 2002 and matched by Humberto in 2013.
The last Atlantic hurricane before Isaias was Melissa in late October 2025. Melissa reached Category 5 intensity with peak winds estimated at 165 knots (about 190 mph) and a minimum pressure of 892 millibars, tying for the strongest Atlantic winds on record and ranking among the most intense by pressure. It made landfall near New Hope, Jamaica, on October 28 as a Category 5, the strongest hurricane on record to strike that island, and later crossed eastern Cuba. The storm was linked to dozens of deaths and catastrophic wind, surge, and flood damage across parts of the Greater Antilles.
Isaias is a very different storm in intensity and location, but its rapid overnight strengthening over warm Gulf waters—supported by Hurricane Hunter data showing a better-defined eye and rising flight-level winds—underscores that late-season systems can still become major hurricanes. For metro Atlanta, the main hazards are not the eyewall but the long fetch of wind, repeated heavy rain, and isolated tornadoes well east of the center.