Jacksonville, FL – Drivers and residents in Jacksonville are bracing for intense heat and likely afternoon thunderstorms as a Heat Advisory remains in effect until 6 p.m. Monday. With heat index values reaching as high as 108°F and widespread showers, conditions could disrupt commutes, outdoor work, and local events.
According to the National Weather Service, today’s high will top out near 94°F with a 60% chance of showers and thunderstorms, especially after 1 p.m. The combination of oppressive humidity and thunderstorms is expected across Duval, Clay, and St. Johns counties. Scattered storms may bring brief downpours, gusty winds, and lightning—impacting roads like I-95, I-295, and the Buckman Bridge. Winds remain light, but sudden downpours could limit visibility for drivers.
Residents are urged to avoid strenuous outdoor activity, drink extra water, and check on vulnerable neighbors. “Stay indoors during peak heat,” the Jacksonville Emergency Management Division advises. Power outages and minor street flooding are possible where storms are most intense.
Looking ahead, daily thunderstorm chances and dangerous heat persist through Saturday, with highs reaching the mid-90s and only slight cooling at night. More advisories could follow if conditions worsen.
Five-Day Forecast:
- Tuesday: Showers and thunderstorms likely, mainly after 1 p.m. Partly sunny, high near 94°F. Heat index up to 108°F.
- Wednesday: Showers and storms before 11 a.m., then possible thunderstorms again after 2 p.m. High near 91°F.
- Thursday: Thunderstorms likely before 11 p.m., then slight chance showers. High near 91°F, low around 77°F.
- Friday: Slight chance of storms, then sunny and hot, high near 93°F.
- Saturday: Mostly sunny, high near 95°F. Chance of evening storms, low around 79°F.