Winter Storm Warning for parts of the Rockies days after record-breaking heat

A late summer snowstorm takes aim at the Rockies early this week.

Forecast highs in Denver, Colorado this week

ROANOKE, Va. – If it’s still not cool enough for your liking, consider a last-minute flight to parts of Wyoming or Colorado. A late summer snowstorm is just a day or so away, while these same places saw record-breaking heat over the weekend.

Record heat

Denver hit 101° Saturday, which is an all-time high for the month of September in the Mile High City. This is part of the same heat wave that’s triggering more fires in California.

Parts of California also broke all-time records Sunday afternoon, according to the National Weather Service in Los Angeles.

The National Weather Service in San Diego posted some all-time highs that were broken too.

It was a record-breaking day for many SoCal sites today! Here is a summary of the record highs achieved. Stay cool out there (but please conserve a/c, especially between 3-9 pm).

Posted by US National Weather Service San Diego California on Saturday, September 5, 2020

Late summer snowstorm

While California goes untouched by the snowstorm, several inches of snow is forecast to fall over parts of the Wyoming and Colorado Rockies Tuesday and Wednesday.

Forecast snow totals over parts of Wyoming and Colorado

You may be thinking, “The ground will be too warm. It won’t stick.” That’s true to an extent. If it falls hard enough, it will stick. That’s especially the case for trees and/or power lines.

Why the drastic change in weather?

A pair of typhoons in the Pacific altered the jet stream to cause such a strong dip toward the Rockies. Now, a bowling ball of a storm system will dive south. This brings near-record cold air that then rises up the mountain range and produces snow.

What We're Tracking - Wednesday morning

Any local effect?

As that’s happening, a completely separate system near the East Coast will give us the chance for showers and storms each day this week.

The snowstorm will weaken and ride the jet stream north of the area into the weekend. Depending on how much energy is left over, this could give us more showers and storms by Sunday.

What We're Tracking - Sunday

Thankfully, it will not produce the same drastic change in temperatures or snow here.

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