The big pattern change Saturday will come in the West as a strong low pressure system slams into the Northwest from the Gulf of Alaska. This will be a fairly strong storm for this time of year, producing the strongest precipitation along its cold front as it smashes into western Washington and Oregon. The Cascades are set to receive the majority of the action before the front weakens farther inland. The storm will also provide breezy conditions along with cooler temperatures later in the weekend.
Elsewhere in the West, scattered showers and thunderstorms typical for this time of year will develop in the Southwest and into the Great Basin.
In the East, moist flow from a tropical low pressure system in the Gulf of Mexico will produce showers and thunderstorms along the Gulf Coast. Additional showers are likely farther inland in the Southeast.
A high pressure system will continue to provide dry conditions to the Great Lakes and Northeast.
The Northeast will rise into the 70s, while the Southeast will see temperatures in the 80s and 90s. The Southern Plains will rise into the 80s and 90s, while the Southwest will see temperatures in the 90s and 100s.
The Northwest will see temperatures in the 60s, 70s, and 80s.
Temperatures in the Lower 48 states Friday ranged from a low of 27 degrees at Polebridge, Mont. to a high of 115 degrees at Death Valley, Calif.
On the Net:
Weather Underground: http://www.wunderground.com
National Weather Service: http://iwin.nws.noaa.gov
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