Weekend Weather Outlook
UPDATED 9:45 AM EDT, August 11, 2012
UPDATED By WeatherBug Meteorologist, Fred Allen
Big changes are in store for the Great Lakes and Northeast as cooler, wet weather arrives this weekend. On the other hand, a ridge of high pressure will create warm and sunny conditions in the West.
WeatherBug Meteorologist Addison Green has the latest in his exclusive WeatherBug National Outlook.
A much-needed reprieve from the summer-long heat spell will reach the Mid-Atlantic, Northeast while staying put for the Great Lakes to start the weekend. A slow-moving storm system will squeeze out yet another round of showers and embedded thunderstorms along the East Coast, including from Miami to Caribou, Maine. Those across the eastern Great Lakes will need to keep umbrellas nearby.
The mercury will only manage the 60s and 70s from the Midwest and Great Lakes into the Appalachian Spine and New England, with middle and upper 80s common from the Mid-Atlantic to Florida.
The status quo weather pattern will deliver another afternoon full of heat and high humidity for much of the Plains, the only exception will be the Dakotas and Upper Midwest where showers and even a couple strong thunderstorms will keep temperatures in check. The warmest spot will be from southern Texas to the Nebraska Panhandle, where 90s and 100s will be common; 70s and 80s will cover the Dakotas.
Aside from the typical smattering of showers and thunderstorms across the Southwest and Rocky Front Range, the Northwest, California and Mississippi Valley will lay claim to the best weather across the U.S. to start the weekend.
Highs will range from the 70s and 80s along the Interstate 5 corridor across the West Coast and over the Mississippi Valley, to the steamy 100s and 110s in interior California and Arizona deserts.
Sunday will be much quieter than the start of the weekend for many across the East Coast, while bouts of showers and thunderstorms will interrupt a few outdoor plans across the Southwest, sections of the Plains and the Sunshine State.
The worst weather will be found across the Upper Midwest and Missouri Valley, as well as across New England where clusters of showers and thunderstorms will roam. Even a few of those will be strong, bringing the potential for locally gusty winds and hail to eastern Massachusetts, Iowa and over Missouri.
Beyond that, the only other weather hiccup will be found across the Desert Southwest and southern Rocky Front Range, where typical afternoon showers and thunderstorms will pop-up. Fortunately, the rest of the U.S., including much of the West Coast and Ohio Valley to Mid-Atlantic and Southeast will enjoy quieter weather.
The hottest spots will be found across much of the West and southern Plains, where widespread 90s and triple-digit heat. The coolest spots will be from the Dakotas to New England, where 70s and 80s will be a theme. Everywhere else will see typical summertime heat with 80s and 90s common.
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