Update (6 a.m. Tuesday): Areas of freezing drizzle appear to have moved out of the Tulsa area and into southeast Oklahoma and northeast Arkansas.
A winter weather advisory remains in place through noon in counties southeast of Muskogee, but the advisory expired at midnight for the Tulsa area "as additional significant icing is not expected."
No roads were closed as of early Tuesday.
National Weather Service Tulsa on Tuesday morning warns many roads and elevated surfaces will remain hazardous as temperatures remain in the teens.
Freezing rain and fog on Monday that was expected to continue into Tuesday morning resulted in dozens of vehicle crashes on slick streets and highways.
As of 8 p.m. Monday, EMSA reported having responded to 139 vehicle collisions around the Tulsa area and transporting 38 people to area medical facilities. EMSA also responded to eight cold-exposure calls with three transports, and 113 falls with 85 transports.
Oklahoma 20 was closed between Skiatook and Hominy, according to the Department of Public Safety.
According to a volunteer firefighter, the stretch of highway between Osage Casino and Teepee Road was closed shortly after 11 a.m.
City roads were safest, meteorologists at the National Weather Service in Tulsa said of the driving conditions.
Temperatures are expected to hover around freezing, with a winter weather advisory in place as far south as the Tulsa area through midnight Monday night, according to forecasters. Another winter weather advisory is in effect for areas as far south as McAlester until 3 a.m. Tuesday.
Drivers were warned to watch out for slick spots, especially on elevated roadways, overpasses and bridges.
“The freezing line is expected to slowly migrate southward through the day, with freezing drizzle to continue,” forecasters said.
Sand Springs, Owasso, Collinsville, Skiatook and Sperry were among districts to announce school closures Monday. Catoosa students were set to return from distance learning Monday, but the district canceled classes due to weather.
Several area school board meetings were also canceled on Monday night, including Jenks and Owasso.
Grab-and-go meals through Tulsa Public Schools and athletic activities were canceled Monday and Tuesday, TPS announced.
“We are working with the Tulsa County Board of Elections to ensure that polling places in our schools are open and ready for voters from 7am-7pm (Tuesday)” the district said in a news release.
Freezing rain could continue Tuesday night and into Thursday, according to the hazardous weather outlook for Tulsa.
“Much colder air will move in late this week and into the weekend, along with some chances of light snow. Dangerous wind chills from zero to near ten below zero will be possible Friday morning and into the weekend,” forecasters said.
Tulsa was expected to see drizzle continue into Monday afternoon and overnight, with accumulations expected to stay low, forecaster Pete Snyder of the National Weather Service said.
He said the commute Tuesday morning may be affected by some frozen slick spots, including on city roads. He said highways and raised roads will be the most likely to be icy.
The freezing boundary layer was slowly moving south of Tulsa into Okmulgee County, Snyder said, and north of that boundary, temperatures are going to stay below freezing.
The temperatures are expected to stay cold through the week and get even colder into the weekend and next week.
Precipitation in the form of snow is predicted Saturday, but accumulations will still be low.
The Tulsa-area forecast
Tuesday: Cloudy, with a high near 23. Wind chill values between 6 and 12. North wind 10 mph.
Tuesday night: Slight chance of freezing drizzle before midnight, then a slight chance of snow and freezing drizzle. Cloudy, with a low around 20. Wind chill values between 10 and 15. North wind around 10 mph.
Wednesday: 40% chance of freezing rain and sleet. Cloudy, with a high near 28. Wind chill values between 9 and 17. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday night: 20% chance of sleet. Cloudy, with a low around 21. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday: 20% chance of sleet before noon, with high near 26. North wind around 15 mph, with gusts as high as 20 mph.
Thursday night: Mostly cloudy, with a low around 12. North wind around 15 mph, with gusts as high as 20 mph.
Friday: Mostly cloudy, with a high near 19. North wind around 15 mph, with gusts as high as 20 mph.
Friday night: A 20% chance of snow after midnight. Mostly cloudy, with a low around 11. North wind around 15 mph, with gusts as high as 20 mph.
Saturday: A 30% chance of snow. Mostly cloudy and cold, with a high near 18. North wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday night: Partly cloudy, with a low around 1. North wind around 15 mph, with gusts as high as 25 mph.
Sunday: Partly sunny and cold, with a high near 16. North wind 10 to 15 mph, with gusts as high as 20 mph.
Photos: Tulsa and surrounding communities get hit by icy weather
Photos: Tulsa and surrounding communities get hit by icy weather
Cold Weather

Steam spills out onto the Third Street near Houston in downtown Tulsa as freezing temperatures continue on Friday, Feb. 12, 2021.
Weather

Chris Rogers walks to work on 11th Street at Xanthus Ave. as ice and bitter cold temperatures make for a dangerous commute Thursday, Feb. 11, 2021 in Tulsa, Okla.
Weather

As snow falls, a man pulls his mask on before entering Pancho Anaya Bakery at 2420 E Admiral Blvd Thursday, Feb. 11, 2021 in Tulsa, Okla.
Weather

Stephanie LaFevers Lewis Ave. just south of Admiral Blvd. while walking to work in the snow and sub-freezing temperatures Thursday, Feb. 11, 2021 in Tulsa, Okla.
Weather

Billy, who did not want to give his last name, is wrapped in a sleeping bag as he walks to get breakfast in the ice on 13th Street near St. Louis Ave. on Thursday in Tulsa.
Weather

Pedro Cortez walks home from the grocery store as a light snow falls on Admiral Blvd. just east of Lewis Ave. Thursday, Feb. 11, 2021 in Tulsa, Okla.
Weather

Emma Burgard is pulled on a sled by her husband Dajuan Young, in car, in an empty parking lot on 21st Street just east of Yale Ave. Thursday, Feb. 11, 2021 in Tulsa, Okla.
Weather

Dajuan Young is pulled on a sled by his wife Emma Burgard(not pictured), in car, in an empty parking lot on 21st Street just east of Yale Ave. Thursday, Feb. 11, 2021 in Tulsa, Okla.
Weather

Emma Burgard is pulled on a sled by her husband Dajuan Young(not pictured), in a car, in an empty parking lot on 21st Street just east of Yale Ave. Thursday, Feb. 11, 2021 in Tulsa, Okla.
Icy feature

Julian Norman uses his shoes as ice skates and slides down the sidewalk around 21st and Utica in Tulsa, OK, Feb. 11, 2021.
Weather

Dajuan Young is pulled on a sled by his wife Emma Burgard, in car, in an empty parking lot on 21st Street just east of Yale Ave. Thursday, Feb. 11, 2021 in Tulsa, Okla.
Weather

Dajuan Young is pulled on a sled by his wife Emma Burgard, in car, in an empty parking lot on 21st Street just east of Yale Ave. Thursday, Feb. 11, 2021 in Tulsa, Okla.
Weather

Emma Burgard is pulled on a sled by her husband Dajuan Young, in car, in an empty parking lot on 21st Street just east of Yale Ave. Thursday, Feb. 11, 2021 in Tulsa, Okla.
Weather

Emma Burgard is pulled on a sled by her husband Dajuan Young, in car, in an empty parking lot on 21st Street just east of Yale Ave. Thursday, Feb. 11, 2021 in Tulsa, Okla.
Icy feature

Kaylynn and Lily May Norman use their boots as ice skates and slide down the sidewalk around 21st and Utica in Tulsa, OK, Feb. 11, 2021.
Frost Features

Frost covers the trees on LaFortune Park golf course in Tulsa, OK, Feb. 10, 2021.
Frost Features

Frost covers the trees on LaFortune Park in Tulsa, OK, Feb. 10, 2021.
Frost Features

Frost covers the trees on LaFortune Park in Tulsa, OK, Feb. 10, 2021.
Frost Features

Frost covers the trees at Woodward Park in Tulsa, OK, Feb. 10, 2021.
Icy Weather

Ice covers trees next to the Broken Arrow Expressway near the Sheridan exit going eastbound on Dec. 10, 2021.
Ice

Kelly Shenice braves the ice as she crosses Martin Luther King Jr. Blvd. near Jasper Street while walking to catch a bus Wednesday, Feb. 10, 2021 in Tulsa, Okla.
Ice

A man rides his bike in the ice on Columbia Ave. just north of 11th Street Wednesday, Feb. 10, 2021 in Tulsa, Okla.
Ice

A truck enters I-244 in the ice on the Harvard Ave. on ramp Wednesday, Feb. 10, 2021 in Tulsa, Okla.
Ice

An SUV drives west on I-244 in the ice just east of Harvard Ave. Wednesday, Feb. 10, 2021 in Tulsa, Okla.
Ice

A car drives east on I-244 in the ice just east of Harvard Ave. Wednesday, Feb. 10, 2021 in Tulsa, Okla.
Ice in Tulsa

Many across woke up a cold ice covered winter day on February 9, 2021 in Tulsa, OK.
Ice in Tulsa

Many across woke up a cold ice covered winter day on February 9, 2021 in Tulsa, OK.
Ice in Tulsa

An excavator sit in the Arkansas River on a cold ice covered winter day on February 9, 2021 in Tulsa, OK.
Ice

James Andrews uses a plastic bag to stay warm and dry while he walks on Delaware Ave. north of I-244 Wednesday, Feb. 10, 2021 in Tulsa, Okla.
Ice

James Andrews uses a plastic bag to stay warm and dry while he walks on Delaware Ave. north of I-244 Wednesday, Feb. 10, 2021 in Tulsa, Okla.
Ice

James Andrews uses a plastic bag to stay warm and dry while he walks on Delaware Ave. north of I-244 Wednesday, Feb. 10, 2021 in Tulsa, Okla.
Ice in Tulsa

Many across woke up a cold ice covered winter day on February 9, 2021 in Tulsa, OK.
Ice in Tulsa

Many across woke up a cold ice covered winter day on February 9, 2021 in Tulsa, OK.
Voting

Brian Cook walks on the ice on his way into vote at First Church Tuesday, Feb. 9, 2021 in Owasso, Okla.
Voting

Rick Byrd gingerly walks on the ice on his way into vote at First Church Tuesday, Feb. 9, 2021 in Owasso, Okla.
Vulnerable in the Cold

Roland Johnson stands outside his tent that he lives in on the bank of the Arkansas River Tuesday, Feb. 9, 2021 in Tulsa, Okla. At right is wood that he has collected to burn to stay warm. He says this is about 5 hours worth of wood. Johnson has had experiences with shelters, but prefers to tough it out in his tent even when the temperatures drop to dangerously cold.
Vulnerable in the Cold

Jewel Gibson holds her belongings in the overflow shelter on Charles Page Blvd. Tuesday, Feb. 9, 2021 in Tulsa, Okla. The temperatures got too cold for Gibson to stay on the streets as she usually does.
Vulnerable in the Cold

Roland Johnson puts wood on his fire inside his tent that he lives in on the bank of the Arkansas River Tuesday, Feb. 9, 2021 in Tulsa, Okla. Johnson has had experiences with shelters, but prefers to tough it out in his tent even when the temperatures drop to dangerously cold.
Vulnerable in the Cold

Jeramy Hoffer lies on the ground with his belongings at the overflow shelter on Charles Page Blvd. Tuesday, Feb. 9, 2021 in Tulsa, Okla.
Vulnerable in the Cold

Robbie Riddle(left) and Tonya Gariss sit in the overflow shelter on Charles Page Blvd. Tuesday, Feb. 9, 2021 in Tulsa, Okla. Riddle and Gariss, not together, both used to live in an encampment on the bank of the Arkansas River.
Voting

Jaime Taylor scrapes ice off his window to get to work Tuesday, Feb. 9, 2021 in Owasso, Okla.
weather feature

Adam Breaux walks his dog "Joey" on the campus with frost on the trees at the University of Tulsa in Tulsa, OK, Feb. 9, 2021.
ICE

Traffic drives southbound slowly on an icy U.S. 169 Monday, Feb. 8, 2021 in Owasso, Okla.
Ice Weather Feature

A man walks across Battle Creek Golf Club on Wednesday, Feb. 10, 2021. Tulsa county is in the middle of a stretch of below freezing temperature.
Ice Weather Feature

A man walks their dog on Riverside Parks' trail on Wednesday, Feb. 10, 2021. Tulsa county is in the middle of a stretch of below freezing temperature.
Frost Features

Frost covers the trees on LaFortune Park in Tulsa, OK, Feb. 10, 2021.
Frost Features

Frost covers the trees on LaFortune Park in Tulsa, OK, Feb. 10, 2021.
Frost Features

Frost covers the trees at Woodward Park in Tulsa, OK, Feb. 10, 2021.
Frost Features

Frost covers the trees at Woodward Park in Tulsa, OK, Feb. 10, 2021.
Frost Features

Frost covers the trees at Woodward Park in Tulsa, OK, Feb. 10, 2021.
Frost Features

Frost covers the trees on LaFortune Park in Tulsa, OK, Feb. 10, 2021.
Frost Features

Frost covers the trees at Woodward Park in Tulsa, OK, Feb. 10, 2021.
Ice

Kelly Shenice pulls her hood on while waiting for a bus in the ice on Martin Luther King Jr. Blvd. near Jasper Street Wednesday, Feb. 10, 2021 in Tulsa, Okla.
Icy Weather

Ice covers a tree branch near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

Ice covers a tree branch near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

Ice covers a tree branch near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

Ice covers a tree branch near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

Ice covers leaves near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

Ice covers leaves near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

Ice forms on a window near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

Ice covers a chair near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

Ice covers a tree branch near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

An ice cycle forms on a roof near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

Ice covers a tree branch near 46th and Sheridan on Dec. 8, 2021.
Icy Weather

Ice covers a metal grate near 46th and Sheridan on Dec. 8, 2021.
ICE

A City of Owasso salt and sand truck drives south on U.S. 169 Monday, Feb. 8, 2021 in Owasso, Okla.
Ice in Tulsa

Two trucks sit wrecked on guard rails on both direction of I-244 on an ice covered February 8, 2021 in Tulsa, OK.
Ice in Tulsa

Fog covers the ONEGas Building on a bitter winter February 8, 2021 in Tulsa, OK.
Ice in Tulsa

Salt slowly breaks up sheets of ice on a bitter winter February 8, 2021 in Tulsa, OK.
Ice in Tulsa

Fire burns at the Public Service Company of Oklahoma on a bitter winter February 8, 2021 in Tulsa, OK.
Ice in Tulsa

Steam comes from Public Service Company of Oklahoma on a bitter winter February 8, 2021 in Tulsa, OK.
Ice in Tulsa

Fog covers the BOK Tower on a bitter winter February 8, 2021 in Tulsa, OK.
Ice in Tulsa

Frost covers trees in Downtown Tulsa on February 8, 2021 in Tulsa, OK.
Ice in Tulsa

A man walks through steam on a bitter winter February 8, 2021 in Tulsa, OK.
Ice in Tulsa

Two trucks sit wrecked on guard rails on both direction of I-244 on an ice covered February 8, 2021 in Tulsa, OK.
ICE

An SUV drives northbound as another car sits in the median on an icy U.S. 169 Monday, Feb. 8, 2021 in Owasso, Okla.
ICE

A man works to free a stuck motorist on the 96th Street North on ramp to U.S. 169 Monday, Feb. 8, 2021 in Owasso, Okla. The ramp and highway were backed up due to freezing rain and ice.
ICE

A man works to free a stuck motorist on the 96th Street North on ramp to U.S. 169 Monday, Feb. 8, 2021 in Owasso, Okla. The ramp and highway were backed up due to freezing rain and ice.
ICE

A man hangs onto his car as he slides on the ice while trying to get it freed on the 96th Street North on ramp to U.S. 169 Monday, Feb. 8, 2021 in Owasso, Okla.
ICE

A man works to free a stuck motorist on the 96th Street North on ramp to U.S. 169 on Monday in Owasso. The ramp and highway were backed up due to freezing rain and ice.
ICE

A man works to free a stuck motorist on the 96th Street North on ramp to U.S. 169 on Monday in Owasso. The ramp and highway were backed up due to freezing rain and ice.
ICE

Traffic drives slowly on an icy U.S. 169 on Monday in Owasso.
Cold Weather

A tree covered with ice is lit by a street lamp at the Tulsa County Fairgrounds as freezing temperatures continue in Tulsa on Friday, Feb. 12, 2021.
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HIDE VERTICAL GALLERY ASSET TITLES
Currently stuck on the on ramp to 169 southbound at 96th Street North in #owasso Not only is it Un-driveable it’s almost un-walkable. I don’t k ow what the endgame here is. Stay home if possible! @tulsaworld #okwx pic.twitter.com/3h6POeJKqh
— Mike Simons (@mikesimonsphoto) February 8, 2021
Given the unexpected inclement weather and the potential for melting and refreezing of ice on the roads, we are erring on the side of safety for everyone on our team and adjusting our team schedules for today. We WILL be open today, Feb. 8, but with the following modifications: pic.twitter.com/J5VAydMB2i
— TulsaSchools (@TulsaSchools) February 8, 2021