A significant cool-down is expected to roll through northern Colorado bringing clouds, rain and temperatures in the 70s, but southern Coloradans hoping for better firefighting conditions aren’t likely to see the same cold weather system, a local meteorologist said.

The cooler temperatures and storm clouds are headed down from the northwest and will be mainly confined to the northern half of the state and the eastern plains, said Mike Baker, a meteorologist with the National Weather Service in Boulder.

Mountain areas from Interstate 70 on up will likely get rain showers, thunderstorms, high winds, and cooler temperatures.

The weather system could benefit firefighting conditions for blazes like the Sugarloaf Fire burning in Grand County, Baker said, but wildfires burning further south like the fast-spreading Spring Creek fire in Costilla and Huerfano counties might not receive the same helping hand from Mother Nature.

“The outlook is not as rosy for southern Colorado,” Baker said. “It will be a little cooler and maybe a slightly better chance of storms, but nothing to the extent of the cold weather system up north.”

Southern Colorado can expect temperatures in the 80s with a small chance of thunderstorms and gusty winds.

As an example of the dramatic shift in temperature and humidity in northern Colorado, Baker noted that on Friday, Kremmling near the Sugarloaf Fire was “blazing hot.”

“Temperatures got up to 90 degrees, which is crazy warm for them,” Baker said. “At one point, they were down to 2 percent humidity and gusting close to 38 miles per hour. That’s a bad situation helping the big fire keep going.”

Saturday, the hot, dry and dusty weather should be booted by relative humidities above 50 percent across northern Colorado with temperatures in the mid-60s and lower 70s.

In Denver on Saturday, meteorologists expect a 50 percent

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