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Denver smashes record low temperature for Feb. 23

After spending the night under zero degrees, Colorado will see genuine warm relief just in time for the weekend.

DENVER — It was officially cold in the Mile High City.

Denver International Airport (DIA) fell to -11 degrees Fahrenheit on Thursday morning to set a new record low for Feb. 23.

The previous record low was -7 degrees Fahrenheit set last year in 2022, according to the National Weather Service in Boulder.

Denver spent most of Wednesday in the bone-chilling single digits before dropping under zero degrees overnight into Thursday. Colorado's temperatures will remain chilly throughout the day, with a high of just 19 degrees Thursday.

However, the 9NEWS weather team said warm relief is on the way this weekend. Temperatures in the Denver area will warm dramatically into the mid-50s by the weekend and into the beginning of next week.

Several schools, businesses and offices across Colorado delayed their opening time Thursday morning during the sub-zero freeze.

Denver also recorded a huge 67 degree two-day temperature swing, the city's 15th largest temperature swing on record.

On Tuesday, it hit 60 degrees at the city's official observation site at Denver International Airport before falling to -7° on Wednesday night.

Official Denver records date back to 1872.

Denver Public Schools, Aurora Public Schools, Jeffco Public Schools, Mapleton Public Schools, Douglas County School District, Westminster Public Schools, Adams 12 Five Star Schools, Clear Creek District, and Platte Canyon District 1 are among those who had delayed starts Thursday.

Gilpin County School District and Community College of Denver campuses at Auraria and Lowry closed Thursday.

See the full list of closures and delays

Credit: Cindy

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