United States

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  Colorado to Michigan face travel-halting blizzard

  January 31, 2016; 2:30 PM ET

  Travel will become dangerous in the Central U.S. as a blizzard evolves later Monday into Groundhog Day.

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  El Nino-driven storm blasts California, southwestern US with rain and snow

  January 31, 2016; 4:50 PM ET

  Southern California is facing flooding rain, isolated severe thunderstorms and low-elevation snow to end the weekend, which is common in a strong El Nino weather pattern.

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  Tornadoes, damaging wind to accompany severe storms across Mississippi Valley on Groundhog Day

  January 31, 2016; 4:48 PM ET

  A significant storm will be taking shape to start February and those living in the Mississippi Valley and Deep South will want to take notice for impending severe weather on Groundhog Day.

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  Taste of spring to kick off February in Eastern US

  January 31, 2016; 4:45 PM ET

  The start of February will feel more like spring across the eastern United States as milder air surges in.

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  Santa Clara may catch a break from El Nino-enhanced rainstorms in time for Super Bowl 50

  January 31, 2016; 4:41 PM ET

  Thousands of people will descend on Santa Clara, California, in the days leading up to the big game on Sunday, Feb. 7.

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  Colorado to Iowa, Michigan face blizzard Monday into Groundhog Day

  January 31, 2016; 4:39 PM ET

  Snow and slippery travel over the central United States will evolve into dangerous blizzard conditions spanning the first part of the coming week, including Groundhog Day.

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  Late-week winter air to chill eastern US after springlike start of February

  January 31, 2016; 4:32 PM ET

  The taste of spring kicking off February in the East will not last long with colder air set to return later this week, lasting all the way into the middle of February.

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  Iowa caucuses 2016: Advancing snow may deter voters

  January 31, 2016; 4:30 PM ET

  The 2016 Presidential Election season officially gets underway on Monday evening, Feb. 1, with the Iowa caucuses, and advancing snow could affect voter turnout.

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  Harrisburg: Springlike warmth to start February, not last into late week

  January 31, 2016; 4:25 PM ET

  The start of February will actually feel more like spring around Harrisburg before more typical winter chill makes a comeback later in the week.

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  Boston: Springlike warmth to start February, not last into late week

  January 31, 2016; 4:24 PM ET

  The start of February will actually feel more like spring around Boston before more typical winter chill makes a comeback later in the week.

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  Philadelphia: Springlike warmth to start February, not last into late week

  January 31, 2016; 4:23 PM ET

  The start of February will actually feel more like spring around Philadelphia before more typical winter chill makes a comeback later in the week.