Ellsworth AFB, SD  57706      5/23/2015
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Memorial Day Weekend Weather Outlook
UPDATED 3 PM EDT, May 22, 2015
UPDATED By WeatherBug's Daniel Eiblum
Hopes for extensive outdoor plans this weekend may have to be put to rest, as an energetic system will look to have damp days, stormy afternoons and the resurgence of warmer temperatures across the U.S.
A low-pressure system spinning up over the Mountain West will kick off the weekend to a wet start Saturday for the Great Basin, Great Plains and the Mississippi Valley.
Wrapped in the flow of this developing system, rich moisture from the Great Plains will be looking to infiltrate the Mountain West, resulting in afternoon showers and thunderstorms across the Great Basin and the Rockies. A dusting of mountain snow will be inevitable over the highest elevations of the northern and central Rockies and the Sierra Nevada.
Several pulses of energy emanating from the storm system will intensify storm develop from the central and southern High Plains to the Southern Plains by the afternoon and evening. These stronger storms will be capable of producing widespread torrential flooding rains, large hail, damaging winds, and even a few tornadoes. Residents across the Texas-Oklahoma Red River Valley could see up to 3 inches of rainfall Saturday, so remember the age old adage of "Turn around, don`t drown."
Aside from a few afternoon thunderstorms along the western coast of the Florida Peninsula and sparse sprinkles throughout Saturday over northern New England, the rest of the U.S. will start off to a sunny start for the three-day weekend.
Hot highs in the 80s and 90s will hug the Gulf Coast, Southeast, the Texas Big Bend, the Columbia Basin of Washington and the Southwest Desert Valley. Cooler 30s and 40s will chill the higher elevations of the Mountain West, while milder 50s settle in thanks to the clouds over the Great Basin, northern High Plains and northern New England. The rest of the U.S. will be under late-spring 60s and 70s, bringing a pleasant start to the weekend.
The messy weather from Saturday will merrily scoot eastward, spreading sour moods to outdoor enthusiast along the Mississippi Valley.
Showers and thunderstorms will continue to make soggy soil and somber spirits from the Mountain West to the Mississippi Valley Sunday. Heavier rainfall will extend from the Great Lakes down to the Texas Gulf Coast. Mountain snow accumulations will be limited to the highest peaks of the northern and central Rockies.
The threat for severe weather will move further eastward into the Central and Southern Plains and the Lower-Mississippi Valley Sunday. These stronger storms can be expected to bring large hail, damaging winds and even a few tornadoes.
The Florida Gulf Coast will see another stormy evening develop Sunday, while showers spread the wet weather to the Great Lakes, Ohio Valley and Northeast overnight.
Hot highs in the 80s and 90s will keep the Sacramento Valley, the Columbia Basin of Washington and the Desert Southwest in the West toasty, while the heat surges further northward to the east, spreading from the Gulf Coast to the southern Ohio Valley and Mid-Atlantic. Cooler 30s and 40s will remain over the higher elevations of the Rockies, while milder 50s stick around for another day in the northern High Plains and northern Maine. Pleasant 60s and 70s will continue for the rest of the U.S., keeping those who do venture outdoors Sunday nice and comfortable.
Memorial Day:
While the weather may not be the choicest, that won`t stop the commemorative day to honor those who lost their lives serving the country.
The wet trend will keep the soggy weather train rolling Monday, as the weekend`s moisture maker slowly tracks eastward.
Showers and thunderstorms over the Mountain West may not have the bang that they had on Saturday, but that won`t look to dissuade them from continuing to cause a ruckus Monday afternoon and evening.
More energetic weather will keep pace with the storm system, which will be sailing into Eastern Canada by late Monday. Showers and thunderstorms will spread from the Great Plains to the Eastern Seaboard.
While many will see wet weather develop Monday, residents of the Pacific Northwest, California, the Southwest and the Carolinas can expect to stay dry through their Memorial Day ventures.
Toasty highs in the 80s and 90s will keep the Sacramento Valley and Desert Southwest hot, while the surging warmth spreads from the Gulf Coast States to the Ohio Valley and the Mid-Atlantic. Cooler 30s and 40s, along with milder 50s will keep to the higher elevations across the Mountain West. The rest of the U.S. will conclude the restful weekend with another day of pleasant 60s and 70s.
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