# Sweltering heat wave to grip Southern California next week

> **Open Intelligence Dossier** · First detected: 2026-06-20 08:07 UTC · Category: Business

## Executive Summary
5 news sources are covering this Business story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"Sweltering heat wave to grip Southern California next week" is generating significant coverage in the Business category, with 5 articles from 5 distinct sources tracked by PULSE so far.


Outlets currently covering the story include Merced Sun-Star, Pasadena Now, facebook.com and LAist. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Merced Sun-Star | UPDATE: Extreme heat watch issued for Los Angeles from Tuesday to Thursday | [Source Link](https://news.google.com/rss/articles/CBMieEFVX3lxTFBoWlRBRURqUlg5dUVqb05Cck1FaV81R0NVSDlxUzFkUnpIWUFxOWlZZ3I3NGg1dkJVdENnRGxFQXZQeVU4TUM0SGxvb09zUzhCaG1CWXQyZ0lTNmxGUjk3NldNcHZ4SU5qU2xENmNHdFB4bHZPOTdaWA?oc=5) |
| Pasadena Now | Pasadena, Altadena Face Dangerous Midweek Heat, National Weather Service Warns | [Source Link](https://news.google.com/rss/articles/CBMiqAFBVV95cUxQbUdLTTRyWGJwRzlQaTNNcjN1bkpvRXN4UTVpbGRUdmFOUkVFSmNPZlBtWjdzTEVLc0pNRkZKT1cxNHZfZlpyVU9ZOVdPdmROaVByX2hEWEVsNnlQeDdKRzFvNVZqYkt3MVM4NnJlUFJkVHN2VzFXVG9LLTlYdE1LRnJxU1pqS09saXNxVGZlSndxb0RRS0l1MkI4Z0p0bnVkbS12djl3THA?oc=5) |
| facebook.com | Cool conditions to persist through the weekend, but a significant warm up remains on track for the middle to end of next week, focused inland of the beaches. | [Source Link](https://news.google.com/rss/articles/CBMi2wFBVV95cUxPUmMtaUMyOWZfRWdYdVR0Q0Jod2dOZVZKSFZfdDFyb3ZtczRNTHhaNWJGR1BheG1QTkRDd2dvUkgtUzRPY1A4QXpTUm5OS1d3eFFoUlZ4OHdvR05TbkJJVlRvbkRhaW1QLThVOFVoci1oR2dpQmI3MDZfQ3BOTXlVcnk1YnB2U0kzUU5YNDc0Vk40dnIxRG5TbTkwSEhQNnlhUXh1ZXBfb0R5MWpHUER4NV9ETWJDbThCU1k4TWdPVXhpYmpyeXBTWU1pWHNRNk0zTi1GNWdZcDdyYTQ?oc=5) |
| LAist | Summer arrives in SoCal with triple-digit temps. What to know about the incoming heat | [Source Link](https://news.google.com/rss/articles/CBMijAFBVV95cUxPYUtxSnZkQUQ0ZzFpVkowNWFRenZkZ29yQkoySEZvaE9Qc19zd0tpRjl4cVh4cHV1QW9jSmRadkhfQzhPeW1ZckFtVmFuWUwwSFg2MEV2ZjZLSWpRV3A4X2dYMHJUZGtSLU4zYXY1T1Y0WDUzTWtJSkFWQXNseDZpLV93SExOandWMmZpcA?oc=5) |
| KTLA | Sweltering heat wave to grip Southern California next week | [Source Link](https://news.google.com/rss/articles/CBMib0FVX3lxTE1CYVJLYi1odXl0aFVFeFJoZHFzUGhIMWEwX29KUUZYQmU0Q2ZOV3p1SlN2T0ZoU0hCdGgzaDhKczRlaTlLYWpoNlFZN0xQTXdfeW5Ba0dzSTJGcFV6MXRmVWRJODYtN090YWF6dkUxZ9IBdEFVX3lxTFBnd0V0ckxwS2E5Uzh2Q0NmTjkyTUdHcU5sSHlHRjFTUkhfblhVV29TczRwLWJramxpQ3lMcG5hOUNnWS1EZzZYdHlmWVU5NmlkNENIMkVVbkdhZVJDUUpWSDd2R1Jnb0t0Rnh4WGozcGRYd1BK?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-06-20/sweltering-heat-wave-to-grip-southern-california-next-week*