Something deeply unusual is happening inside the 2026 midterm battlefield — and one of America’s most experienced election forecasters says the warning signs for Republicans are becoming impossible to ignore.

Charlie Cook, the veteran political analyst who has spent decades studying congressional elections, says Donald Trump’s impact on the Republican Party has created a political environment so volatile that the traditional rules of midterm forecasting may no longer apply.

And the numbers, he says, are grim.

Cook recently described three plausible outcomes for Republicans in November.

None of them are good.

In his words, the election could be “bad, really bad or truly horrible.”

That blunt assessment is drawing attention in Washington because Cook is hardly known for sensationalism. His reputation was built on cautious district-by-district analysis, demographic trends and polling rather than partisan cheerleading.

That makes his warning all the more striking.

Speaking about Trump’s political standing, Cook pointed to polling showing the president running roughly six to 14 percentage points below his 2024 performance in some surveys.

The average decline, Cook said, is around 10 points.

“That’s a heck of an underperformance,” he said.

But the danger for Republicans does not stop with Trump’s own approval ratings.

Cook says Democratic candidates are currently performing better among their own voters than Republicans are among Republican voters, while also holding significantly stronger positions with independents.

Women are breaking more heavily toward Democrats than men are toward Republicans, he added.

Taken together, those trends produce a picture that looks increasingly dangerous for GOP candidates — including some running in places Republicans once considered essentially untouchable.

That is where Cook says the election begins to look genuinely extraordinary.

Republicans are underperforming in states and congressional districts that would ordinarily be viewed as safe territory.

The pattern has forced forecasters to reconsider assumptions that would have seemed ridiculous only months ago.

Cook joked that if he had read his own current worst-case projection six months earlier, he might have wondered whether he had been “on some kind of mushrooms.”

It simply would not have seemed realistic.

Now, he says, the numbers are showing exactly that kind of environment.

The implications could be enormous.

In two of Cook’s three major scenarios, Democrats could regain control of the U.S. Senate.

Even Kansas — a state Republicans have long considered reliably red in federal races — has entered discussions about potentially competitive territory.

That does not mean Democrats are guaranteed to win everywhere they are suddenly competitive.

Cook himself emphasized that outperforming expectations is not the same thing as actually winning.

“Close only counts in horseshoes and hand grenades,” he said.

But even races Democrats ultimately lose could reveal something much larger: a national political environment that has shifted sharply against Republicans.

And several unlikely states are becoming part of that conversation.

Alaska is one.

Cook had previously expressed skepticism about former Democratic Rep. Mary Peltola’s prospects there. But Republican weakness has changed the calculations.

Texas is another.

Cook pointed to the turmoil surrounding Republican politics in the state and questioned how the GOP could even find itself facing serious vulnerability in places that should theoretically be easy victories.

The problem, in Cook’s telling, is bigger than individual candidates.

It is Trump himself.

Over the course of his second term, Trump has picked repeated fights not only with Democrats but with traditional Republicans, independents and conservative voters who do not identify with the MAGA movement.

That may be creating a slow erosion inside the coalition Republicans need to survive November.

Some establishment Republicans, Cook suggested, have simply decided they no longer want to participate in the constant political conflict surrounding Trump.

Others tried to remain inside the coalition and found themselves pushed aside.

At the same time, Democrats appear to be benefiting from voter dissatisfaction without necessarily generating overwhelming enthusiasm for their own party.

Cook cautioned Democrats against interpreting favorable conditions as proof that voters have suddenly embraced their agenda.

Their advantage, he suggested, may have far more to do with rejection of Trump and Republican governance than with any extraordinary Democratic political breakthrough.

That distinction could become crucial after November.

For now, however, Republicans face a much more immediate problem.

The political map is expanding.

Races that once seemed safe are becoming competitive.

Independent voters appear to be moving away from the GOP.

And Trump’s numbers are running substantially behind his own performance just two years earlier.

The most frightening part for Republican strategists may be that there is still time for things to get worse.

Only months ago, Cook’s darkest scenario looked almost absurd.

Today, he is openly discussing it as a legitimate possibility.

And if the veteran forecaster is right, November may not simply deliver a routine midterm setback for Donald Trump’s party.

It could become the election that forces Republicans to confront just how much political damage Trump has done to the coalition that put him back in the White House.