Published 2 hours ago •
Updated 2 hours ago
NBCUniversal Media, LLC
The first of several days of 90+ degree heat begins today and lasts well into next week.
Last weekend we dealt with record cold temps.. this weekend, we re talking about the start of a several day heat wave. Today is day 1. #NBCCThttps://t.co/ynQZtisTnupic.twitter.com/k8h7LAb9R9 Darren Sweeney NBCCT (@DarrenSweeney) June 5, 2021 Download our mobile app for iOS or Android to get alerts for local breaking news and weather.
The definition of a heat wave is 3 or more days of 90 degree temperatures or higher. First alert meteorologists are forecasting 5 days of 90 degree heat, making this a possible 5-day heat wave.
Weakening high pressure over the Southwest was forecast to bring cooling to San Diego County today through Sunday, while onshore flow maintains a marine layer.