Charleston Weather Blog

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

Weekend forecast: Storminess as we prepare for tropical issues next week

/ at 8:39 PM

A slow-moving cold front combined with a stalling upper-level low will help spread rain further into the metro for the weekend, especially on Saturday, as we continue to monitor the progress of now-Potential Tropical Cyclone Nine.

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Friday & the weekend: Turning stormy as we watch the tropics

/ September 25, 2025 at 11:20 PM

A front and upper-level low will send weather downhill as we get into Friday afternoon and the rest of the weekend, though that won’t be the main weather story, methinks, as we monitor the disturbance currently known as Invest 94L in the tropics for possible development and subsequent impacts next week.

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Thursday: Another unseasonably warm day; maybe an afternoon storm

/ September 24, 2025 at 7:21 PM

After hitting 91° on Wednesday, we look to take another trip to the 90s on Thursday as ridging aloft combines with Atlantic high pressure to keep us well on the warm side of normal for another day. Temperatures start in the low to mid-70s, well above normal for this point in the year, warming to the 90s in the afternoon with heat indices making it feel more like the mid-90s. We could see a stray shower or thunderstorm in the afternoon and evening along and ahead of the seabreeze, but most of us should stay dry.

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