Heat Advisory for Bay Area
Key Questions
What areas are under the heat advisory and what temperatures are expected?
The heat advisory is in effect for Bay Area interiors with highs in the mid-90s to low-100s. San Francisco hit 85°F, its hottest July day since 2015, while SFO reached 92°F.
What is causing the unusual humidity and possible overnight conditions?
Rare humidity stems from the influence of tropical storm Elida. This may bring overnight fog or drizzle as the sticky air lingers.
How is air quality impacted and what precautions are advised?
Wildfire smoke from the Little Fire is affecting East Bay air quality. Outdoor enthusiasts should avoid midday exertion, stay hydrated, and adjust activities, with the NWS as the primary alert source.
Heat advisory in effect today (July 22) for Bay Area interiors, with mid-90s to low-100s. S.F. recorded hottest July day since 2015 (85°F), SFO 92°F. Rare humidity from tropical storm Elida influence; overnight fog/drizzle possible. Wildfire smoke from Little Fire affecting East Bay air quality. Urges outdoor enthusiasts to avoid midday exertion, stay hydrated, and adjust activities. NWS primary source for alerts.