A brief warm-up but then temperatures cool again.
Weather Forecast: 8/20/14 5 p.m.
TONIGHT: Mostly clear. Lows near 60. Occasional gusty valley winds early. Sierra lows in the 40s with a slight chance of a thunderstorm early.
THURSDAY: Temperatures will warm to near 90 with mostly sunny skies. Sierra highs will be in the 70s near Lake Tahoe.
FRIDAY: Another low moves south from Canada and brings cooler weather for the weekend. Highs in the 80s. Sierra highs will be in the mid 70s under sunny skies. Gusty ridge winds.
SATURDAY: Highs stay in the upper 80s. Sierra highs in the 70s with sunny skies.
SUNDAY: Sunny and slightly warmer again with highs in the low 90s. Sierra highs stay in the 70s.
MONDAY: Sunny and seasonable with highs near 90. Sierra skies will be sunny with highs in the 70s.
TUESDAY & WEDNESDAY: Warming with highs in the low 90s. Sierra highs warm to near 80 with sunny skies.
News10 Chief Meteorologist Monica Woods