There are currently no warnings or advisories for this location.
Public Information Statement
Statement as of 8:40 PM MST on November 9, 2009
... Record high temperature forecast for Phoenix Sky Harbor Tuesday...
Increasing southwesterly flow ahead of an advancing low pressure system will bring unusually warm weather to the Sonoran Desert Tuesday... with record highs possible in some areas. Temperatures will begin to cool Wednesday as the low pressure system moves closer... with much cooler though near-normal temperatures expected late in the week and into the weekend.
The record high temperature for Tuesday... the 10th of November... at Phoenix Sky Harbor is 90 degrees set in 1989. This record is expected to be broken with a high of 91 degrees forecast.
The latest in the year that 90 degrees has been reached at Phoenix Sky Harbor is the 15th of November and that occurred in 1999. The average last 90 degree day in Phoenix... from 1979 to 2008... is October 28. The earliest in the year that 90 degrees has been reached is the 24th of February. That record was set way back in 1904 and tied 82 years later in 1986. The average first 90 degree day is April 1... based on 1979 to 2008 data. This means that you can usually expect five months... and at least 3 months... with temperatures staying below 90 degrees in Phoenix.
Note that meteorologically and climatologically... winter in the northern hemisphere is defined as the three months of December... January... and February. In Phoenix... the coolest three month period in the year on average occurs from approximately the 21st of November through the 20th of February in Phoenix.
National Weather Service Phoenix is on the internet at