August 7, 2017 11:40 pm Jeff's Forecast: 100s Stay Away Hot 100s to stay away this week as cooler fog lingers near the coast. Chief Meteorologist Jeff Ranieri tracks this and when temperatures could drop below average in your Microclimate Forecast. US & World Videos 2:45 Jeff's forecast: Early AM fog brings cool temps 3:41 Jeff's Forecast: 2 Systems keep big heat away 2:12 Forecast: Nice weekend 1:50 Kari's forecast: Nice weekend 2:40 Vianey's forecast: Cooler weekend ahead