weather August 13, 2020 5:25 pm Jeff's Forecast: Dangerous 100 to 109 Heat Chief Meteorologist Jeff Ranieri tracks the dangerous heat and where 100 to 109 is possible in your full Microclimate Forecast. US & World Videos 3:46 Forecast: Excessive heat, mild weekend 2:04 Kari's forecast: Mild day, heat ahead 3:26 Forecast: Hottest days of the year this week 3:12 Forecast: Breezy and mild weekend finish, heat ahead 3:06 Bay Area forecast: breezy and mild weekend, heat on the way