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Severe thunderstorm watch issued for Nassau County as warm and humid weather continues

The heat advisory has been canceled, but very warm and humid weather continues with a scattered strong thunderstorm chance through mid-evening.

Julian Seawright

and

Matt Hammer

Aug 10, 2026, 2:46 PM

Updated

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WHAT YOU NEED TO KNOW:

  • Very and very humid today with a mix of sun and clouds.

  • Storm chance is mainly low and isolated, but a severe thunderstorm watch is in effect for Nassau County until 9 p.m.

  • Any strong or severe storm will bring threats for damaging wind and heavy rainfall.

  • Most of the island will be dry today.

  • Scattered storm chance on Tuesday following another hot and humid day.

  • Heat and humidity expected to break late week.

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FORECAST:

Today the heat and humidity will remain high across the island. With the high heat and humidity, there is a chance for a pop-up storm this afternoon and early evening. An isolated and low risk for a strong or severe thunderstorm is possible this afternoon and early evening. Damaging wind gusts and heavy rain are the greatest concern.

Tonight, it will be cloudy, muggy, but mainly dry. By Tuesday, another hot and humid day is expected, but will be just shy of reaching the heat advisory criteria. Regardless, the temperatures will feel like the low to mid-90s during the day, so it will be another hot one on tap.

Improvements will arrive by late week following the passage of a cold front; this will trigger rain chances on Wednesday afternoon and night, with cooler and drier air taking over by Friday and into the weekend.

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