ClosedClimate
Tropical Storm Isaias: forecast to become a hurricane and approach the US Gulf Coast
Closed: we stopped updating this record on 7 October 2026. For current forecasts and warnings, follow the US National Hurricane Center.
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Weather
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Where things stand
- ClosedTropical Storm Isaias: forecast to become a hurricane and approach the US Gulf Coast
Closed: we stopped updating this record on 7 October 2026. For current forecasts and warnings, follow the US National Hurricane Center.
Key facts
- The National Hurricane Center forecasts rapid strengthening, with Isaias becoming a hurricane by Thursday. National Oceanic and Atmospheric Administration
- The forecast track takes Isaias north of the Yucatán Peninsula on Thursday and towards the US northern Gulf Coast on Friday, with the centre inland by early Saturday. National Oceanic and Atmospheric Administration, National Oceanic and Atmospheric Administration
- From Friday through the weekend, 3 to 6 inches of rain are forecast from far southeastern Louisiana to the Florida Panhandle, locally up to 10 inches, with flash and urban flooding possible. National Oceanic and Atmospheric Administration
Timeline
- Tropical Depression Nine strengthened into Tropical Storm Isaias over the southern Gulf, with maximum sustained winds near 65 km/h (40 mph). National Oceanic and Atmospheric Administration, National Oceanic and Atmospheric Administration
- Tropical Depression Nine formed over the southern Gulf on Tuesday, with the hurricane center's first advisory at 2100 UTC giving maximum sustained winds near 55 km/h (35 mph) and forecasting it to strengthen quickly. National Oceanic and Atmospheric Administration