Forecast: Heat Wave Expected to Stretch Through Weekend

This Evening: Hot, not too humid, isolated storm. Temps in the upper 80s. Overnight Friday Night: Partly cloudy, an isolated storm. Lows around 70. Saturday: Hot sun, not too humid, isolated storm. Highs in the 90s. Sunday: Sweltering heat & humidity, sun & clouds, isolated storm. Highs 95°-100°, dangerous heat index 100°-105°.