As anticipated, Bay Space temperatures soared once more on Tuesday, expectedly much more so than within the earlier 24 hours and sufficient to carry a warmth advisory.
Unexpectedly, the rain that was alleged to comply with the warmth’s exit was delayed in its arrival, so the lightning expectations which are coating a part of the Bay Space had been pushed again to Wednesday.
So had been the hopes that any lightning could be surrounded by substantial precipitation.
“The chance for rain continues to decrease as this system moves north,” Nationwide Climate Service meteorologist Dylan Flynn mentioned Tuesday. “So the other thing to watch is that lightning could become more dry in the central part of the Bay Area and the North Bay.”
It’s a scenario that Flynn mentioned the NWS is monitoring. For now, they count on the earliest the rain will arrive is early Wednesday. The moisture is coming from the remnants of a tropical storm off the Mexico coast and is predicted to hit the Central Coast, doubtless Monterey County — “That’s where I’d put my money,” Flynn mentioned — earlier than migrating slowly north.
Flynn mentioned it’s unlikely that Santa Clara or Santa Cruz counties can be affected. Lightning is feasible in Alameda and Contra Costa counties, he mentioned.
As for the warmth, it’s anticipated to drop 15-20 levels within the hottest locations, although it could not really feel that manner. The low 80s and excessive 70s that may dot the area’s warmest spots will include humidity that’s anticipated to succeed in not less than 50%.
The blast Tuesday adopted an appetizer on Monday during which the most well liked spots acquired into the mid-90s. The climate service issued a warmth advisory that began at 11 a.m. and was set to final till 7 p.m.
The Tuesday temperatures had been anticipated to hit 99 levels in Antioch and 98 in Harmony in Contra Costa County. Livermore and Pleasanton additionally had been anticipated to get to 98 in Alameda County, whereas Oakland was anticipated to hit 87. Morgan Hill was anticipated to max at 98 levels within the South Bay, and San Jose was forecast to hit 94.
“You might see a couple of individual thermometers that crack 100,” Flynn mentioned. “But it’s mostly an upper-90s thing where it’s the hottest.”
The much less steamy climate is predicted to proceed into Thursday after the storm departs. Temperatures are anticipated to spike Friday into the higher 80s within the hottest locations earlier than falling off and changing into extra seasonable into and thru the weekend.
Initially Revealed: September 23, 2025 at 12:27 PM PDT