Polls on Monday were more than enough to give Democratic presidential nominee Hillary Clinton dyspepsia, and her supporters loads of anxiety ahead of the first 2016 presidential debate.

The polls show GOP nominee Donald Trump seizing swing states and even a few Democratic leaners that Clinton likely thought she had wrapped up.

Pressing the field on Clinton could open several possible paths to 270 for Trump — though he may just need to maintain that razor-thin 1-point lead in Colorado.

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But even more surprising, election analyst Nate Silver wrote that if the election were held on Monday, Trump would win with 276 electoral votes.

Silver’s site, FiveThirtyEight.com, tracks the likelihood either candidate will win on each given day and provides a forecast for the likely outcome in November.

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Silver gave Trump a 54.5 percent chance of winning the White House Monday, while Hillary fell to 45.5 percent. That is the first time Silver has given Trump the edge since July 29.

The site says Trump would likely get 276 electoral votes — more than the 270 a candidate needs to clinch the White House.

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It’s a stunning reversal of fortune for the Manhattan billionaire.

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On Aug. 8, Trump only had a 20.5 percent chance of winning, according to FiveThirtyEight. That low happened only 10 days after the Republican National Convention.

The basis for Trump’s success can be seen in the number of Americans looking for a change candidate. Sixty-six percent of voters say the nation is on the wrong track. Only 28 percent say it’s on the right track. That’s a margin of 38 percent.

The new polls indicate Trump may be putting together an electoral map that goes beyond the narrow path that pundits lay out for a Republican nominee to win the presidency. This path usually consisted of winning the states Republican Mitt Romney won in 2012, then adding Ohio, Florida, and a third state such as Virginia.

That path delighted pundits, as they did not think Trump could win Virginia — the state conventional wisdom said was the final key to a GOP win. Complicating matters were the growing suburbs around Washington, D.C., in northern Virginia. That area has become younger, more Democratic, and more reliant on government employment.

And, of course, to make it harder for Trump, Clinton chose U.S. Sen. Tim Kaine of Virginia as her running mate.

[lz_table title=”Recent Colorado Polls” source=”Real Clear Politics”]

Likely Voters

|CNN/ORC

Donald Trump (R), 42%

Hillary Clinton (D), 41%

|CBS News/YouGov

Donald Trump (R), 39%

Hillary Clinton (D), 40%

|Gravis Marketing

Donald Trump (R), 41%

Hillary Clinton (D), 37%

|Quinnipiac

Donald Trump (R), 42%

Hillary Clinton (D), 44%

[/lz_table]

Polls over the weekend and on Monday showed Trump surging in Colorado and Pennsylvania — either state could be enough to put Trump over the top without Virginia.

A new CNN poll found Trump leading by 1 point in Colorado. The four-way contest has Trump winning 42 percent to Clinton’s 41 percent. In that poll, Libertarian Gary Johnson gets 13 percent, and Green Party nominee Jill Stein gets 3 percent.

Another CNN/ORC poll found Clinton struggling to win Pennsylvania, which hasn’t voted for a Republican presidential candidate since 1988. CNN found Clinton with a 1-point lead, with 45 percent of the vote to Trump’s 44 — again, in a four-way race.

There’s no doubt Clinton is in trouble in the Keystone State. A Morning Call poll released Sunday also found Clinton with a weak lead, at 40 percent, with Trump tailing closely at 38 percent, in a four-way race.

Perhaps the best news for Trump was a national poll by Bloomberg. The national poll showed Trump at 43 percent, to Clinton’s 41 percent, in a four-way race. The Los Angeles Times/University of Southern California daily tracking poll also found Trump leading by 4 points, 46 percent to Clinton’s 42.

Trump will likely need to lead or tie Clinton in the popular vote to be competitive in the Electoral College, where he will need to win 270 votes from the states.

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Pundits like Silver already think Trump has a very good chance of winning Florida and Ohio, two key swing states that Romney lost in 2012. Trump also has to keep hold of other states to build 270 electoral votes. The states he cannot lose are Iowa, North Carolina, Nevada, and Arizona.

Trump is in a position to add a state to throw him over 269. It likely will not be Virginia. A CBS News and YouGov poll released on Sunday shows Trump trailing Clinton by 8 points, with Clinton at 45 and Trump at 37 in a four-way race.

But now Trump can instead eye Pennsylvania and Colorado. He can also eye longer shots such as Wisconsin and Michigan — two states that also have not voted for a Republican presidential candidate since 1988.

And he can try to crack open New Hampshire.

Pressing the field on Clinton could open several possible paths to 270 for Trump — though he may just need to maintain that razor-thin 1-point lead in Colorado.