By Bill Deger, Meteorologist
Apr 9, 2012; 1:04 PM ET
As the Northeast cools, the West will continue to experience a warmup early this week.In some areas, the warmup will be dramatic enough that record highs will fall just a few days after new record lows were established.
A buckle in the jet stream is responsible for the warmup. The counterbalance will be a "dip" across the East, which will make for a chilly, and potentially snowy couple of days in parts of the Northeast.
Toward midweek, a storm system slowly pushing ashore will eat into the warm dome with some cooler Pacific air and showers, but not until after millions enjoy a beautiful start to the week.
Temperatures over the next few days will soar well into the 80s across the Southwest and even past 90 degrees over many interior desert locations.
In downtown Los Angeles on Saturday, the mercury topped out at 84 degrees, the warmest it has been in more than a month.
A cooler ocean flow will gradually cool off the Southland early in the new workweek, but areas farther east, such as Yuma and Phoenix, Ariz., will continue to top out near 90 through Tuesday.
After a cold snap dating back to late last week where temperatures dropped into the teens and 20s, Mother Nature will do an about face through midweek as the thermometer climbs into the 60s and 70s, a swing of up to 60 degrees in some areas!
Pocatello, Idaho, which established a new record low by dropping to 19 early on Saturday morning is forecast to approach the record high of 76 on Tuesday.
A large portion of Idaho, Montana and Wyoming still have snow on the ground after a significant storm last week. For most, the remaining accumulation will be history by midweek.
For warm weather lovers, all good things must come to an end. Much of the West will experience more typical temperatures for mid-April by the end of the week.
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