Heat — Southeast San Joaquin Valley, California

2023-06-30 · Southeast San Joaquin Valley, California

Event narrative

Daytime highs ranged between 102 and 107 degrees on June 30.

Wider weather episode

A large area of high pressure strengthened off the California coast on June 29 then build inland into California on June 30. This resulted in the first heat wave of the season across the area between June 30 and July 3. High temperatures across the San Joaquin Valley, lower Sierra foothills, West Side Hills and the Kern River Valley were generally between 102 to 107 degrees on June 30.

Source: NOAA Storm Events Database, event_id 1098225. Narrative written by the NWS forecast office that issued the report.