Charleston Weather Blog

Forecast explanations, atmospheric science, and other cool weather-related stuff for Charleston, SC

Tuesday: A few storms possible as coastal hazards from Erin ramp up

/ August 18, 2025 at 10:30 PM

After an uncharacteristically quiet Monday (weather-wise, anyway), Tuesday should feature a few more storms as a little energy aloft moves through and interacts with the afternoon seabreeze. Temperatures start in the mid-70s, warming to the upper 80s to around 90° before thunderstorms disrupt the temperature curve for some of us. Models do indicate some isolated heavy downpours, though with less in the way of deep moisture, the flooding threat shouldn’t be terribly high.

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The week ahead: Erin passes to our east, bringing coastal hazards

/ August 17, 2025 at 6:02 PM

The week ahead starts out on a warm note with high pressure in play before turning more unsettled by the time we get into the weekend. Meanwhile, Hurricane Erin will be passing offshore, sparing us direct impacts but kicking up high surf, a risk for dangerous rip currents, and even some coastal flooding in the evenings.

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