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Coldest Temperatures Ever Recorded for October from Yellowstone NP to Colorado…
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Wednesday morning October 30th, we are looking at the coldest temperatures ever recorded across the intermountain west this morning, as cold as -30f around Yellowstone Lake and near Big Piney in western Wyoming, -20 to -25 across portions of western Montana, and with the snow clearing out, its near zero in Aspen this morning with clouds and lingering snow, and -10 to -15 in colder Colorado valleys mainly north of the I-70 where clouds are clearing out, and -13 up on Berthoud Pass at 12,500 feet, with winds gusting to 25mph (wow, COLD)...

Beautiful January morning, in October ~ Aspen this morning (Oct 30, 2019)! Thanks @Westin Snowmass Hotel for the awesome web cam!

As the sun started rising on Aspen-Snowmass (7:30am)... looking like January

Today looks colder, not even reaching 20 today in Aspen, and the previous all-time October record cold day was 24f. This morning we have already beaten the all-time record cold October low temperature of 4f, with a -1 it looks like, and after a day staying in the teens for high temps (cold even if it was January), expect a very cold night tonight as winds drop off. Aspen could break the old all-time record cold temperature for October by 10 to 15 degrees, almost unheard of. Higher valleys above 9,000 feet should see low temps in the -15 to -20 range, and possibly colder in spots, breaking all-time records there as well, in fact, this airmass and storm is the coldest on record as well, pushing the climatology cold limits for all past systems in October.

How is that early season looking? The ground is already conditioned for more snow as if it were mid-winter, and its barely Halloween! Meteorologist/ Chris Manly

This morning October 30, 2019 at 5am, Yellowstone NP, could see -30 before sunrise...

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