Heat, Humidity Settle Over Treasure Coast for Mother's Day Weekend

TODAY: Expect a hot, muggy Sunday with highs climbing into the low-to-mid 90s across Martin, St. Lucie, and Indian River counties. A 40% chance of afternoon showers and isolated thunderstorms — typical of the rainy season now beginning — could interrupt outdoor Mother's Day plans, the National Weather Service said. Morning hours offer the best window before storm development ramps up after 2 p.m.

TONIGHT: Partly cloudy skies with lingering shower chances early. Overnight lows drop to the mid-70s. The sticky, warm night signals South Florida's summer humidity has arrived ahead of schedule, forecasters said.

THIS WEEK: The heat-and-storm cycle holds through midweek. Daily highs remain in the low 90s with afternoon storm chances of 30–50% each day. No significant pattern change is expected before Thursday. This early-May humidity is running warmer than the same stretch last year, when a drier high-pressure ridge kept afternoon storms mostly offshore through mid-month.

ON THE WATER: Southeast winds at 10–15 knots keep nearshore chop manageable at one to two feet through the morning. By afternoon, building storms will push gusty, erratic wind shifts across the St. Lucie Inlet and Sebastian Inlet approaches. Boat operators should be back at the dock before one p.m. Pompano are stacking on the nearshore ledges right now, according to NWS data. The morning window — six to 10 a.m. — with a light southeast breeze and an outgoing tide at Sebastian Inlet offers your best shot. Work a live pilchard or small jig along the 60-foot ledge before the afternoon anvil clouds build.

ALERTS: No active NWS watches, warnings, or advisories are in effect for the Treasure Coast at this time. Monitor local NWS Miami forecasts throughout the afternoon as storm development may be rapid.

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