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Today's Weather Outlook

UPDATED 9:30 AM EDT, April 27, 2014

UPDATED By WeatherBug Meteorologist, Fred Allen

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The weekend will conclude on a dangerous, potentially even life-threatening note in the Mississippi Valley and eastern Plains. Meanwhile, typical spring weather will cover both U.S. coasts.

WeatherBug Meteorologist Miranda Hilgers has the latest in his exclusive WeatherBug National Outlook video.

A massive and powerful storm system drifting through the central Plains will touch off a violent day of severe weather from the Lower Mississippi Valley to nearly the Upper Midwest. Fresh thunderstorms will explode from northern Louisiana to Iowa by mid-afternoon, before spreading quickly into parts of the Tennessee Valley and Deep South this evening and tonight. Even the western Ohio Valley won`t be able to escape Mother Nature`s wrath today as well. All facets of severe weather will be possible, even a few violent and long-lived tornadoes as well.

The unsettled weather won`t end in the Upper Midwest, instead extending into the Dakotas and eastern Plains of Montana and Wyoming; some of the moisture at the highest peaks of the central Rockies will be converted to snow, but accumulation will be on the light-side. The mercury will rise into the 40s and 50s, with the Mississippi Valley and central Plains heating up into the 70s and 80s.

The only other weather hiccups will be found across each U.S. coast, the Northwest and Northeast for the close of the weekend. Although showers could occasionally ruin outdoor plans in the Emerald City and Portland, Ore., as well as Boston and Providence, R.I., a few splashes of sunshine cannot be ruled out either.

Highs will manage the 50s in the lower elevations of the Northwest as well as across the Northeast, with the Cascades wintry mix and snow keeping temperatures in the 30s and 40s today.

The rest of the U.S. will see spring weather flourish. The mercury in the Mid-Atlantic, Midwest, and West Coast will rise into the 60s and 70s. The Southeast, southern Plains, and Southwest will top out well into the 80s today.

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