This weekend’s polar vortex brought snow and frigid temperatures to Northern Colorado, and they’re not going away soon.

After observing a chilly Martin Luther King Jr. Day, many will receive a four-day weekend because of low temperatures and poor road conditions.

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Wind Chill warnings expire Tuesday morning

The National Weather Service office in Boulder issued a wind chill warning for much of Northern and Eastern Colorado, expiring at 11 a.m. on Jan. 16. Wind chills can reduce already-frigid temperatures to as low as 35 below zero.

Areas of Northern Colorado are expected to see overnight lows in the negative teens. While only around 1 to 4 inches of snow accumulated across the region, icy temperatures mean it will be slow to melt. Snow-packed road conditions will make transporting children to school safely difficult.

Many municipalities are on accident alert, meaning minor accidents with no injuries or substances involved should be reported online to reduce the workload for first responders. Check official channels if you are involved in a minor crash, and report it online on the Colorado DMV’s website.

Some Colorado areas have canceled school and government operations on Tuesday, Jan. 16.

Fort Collins School and Weather Closures

Poudre School District has canceled all classes and activities

Colorado State University has canceled all classes. The men’s basketball game against the Air Force Academy remains scheduled for 7 p.m. at Moby Arena and live on K99.

The City of Fort Collins has not yet announced any closures.

Greeley Weather Closures

Greeley District 6 has canceled all classes for all grades, and afternoon activities for elementary, middle and K-8 students.

The University of Northern Colorado has announced a late start at 11 a.m. on Tuesday.

The City of Greeley has not announced any closures.

Johnstown Snow Closures

Weld RE-5 has canceled all classes and activities

Loveland School and Snow Cancelations

Thompson School District has canceled all classes and office operations, but may continue afternoon activities.

The City of Loveland Public Library will close at 5 p.m. on Monday, Jan. 15.

The Chilson Recreation Center will close early on Monday, Jan. 15. The aquatics area will close at 8 p.m., with the remainder of the facility closing at 8:30 p.m.

All other City of Loveland facilities will operate under normal business hours on Monday, Jan. 15, and Tuesday, Jan. 16.

Windsor Weather Announcements

Weld RE-4 has canceled all classes and activities.

Have a Northern Colorado weather cancellation? Please let us know the deets at fortcollins.dme@townsquaremedia.com.

KEEP READING: Get answers to 51 of the most frequently asked weather questions...

LOOK: The most extreme temperatures in the history of every state

Stacker consulted 2021 data from the NOAA's State Climate Extremes Committee (SCEC) to illustrate the hottest and coldest temperatures ever recorded in each state. Each slide also reveals the all-time highest 24-hour precipitation record and all-time highest 24-hour snowfall.

Keep reading to find out individual state records in alphabetical order.

Gallery Credit: Anuradha Varanasi

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