The city of Toronto has been issued an extreme cold weather alert to trigger additional homeless services as the temperature drops to –15 C overnight.

"Alerts are typically called in the morning for the coming overnight period so that community agencies have sufficient time to call in extra staff to provide enhanced services," a release from the city read Saturday.

Toronto usually adds 172 shelter spaces during an extreme cold alert. Shelters will be asked to relax any current restrictions. If no beds are available, they must allow clients to stay there until a bed can be found elsewhere.

At some drop-in-centres, TTC tokens are made available so people can get to other shelters.

The warning remains in effect until further notice.

The weather warning comes a day after men and women took to city hall to protest the shortage of beds in homeless shelters.

Brett Thomas knows where he will spend Saturday night with some peace of mind.

“I came last night and I got a bed here at Good Sheppard. As long as I’m here at 5:30 p.m. to keep my bed and that’s the important thing,” Thomas said.

There are 91 beds at the Good Sheppard — a shelter on Queen Street East where people can get a warm meal, sometimes clothing and a bed for the night.

With Saturday’s extreme cold temperatures, all the beds are likely to remain full.

Despite 172 new beds being added during the alert, many say there is still a vast shortage for Toronto’s homeless.

Kenton Calbert, who has stayed in shelters, says the Good Sheppard is always full. On cold nights, people have had to go elsewhere, or else would only have to sleep on the floor.

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  • Black River near Washago Ontario

    <a href="http://www.huffingtonpost.com/social/jbre"><img style="float:left;padding-right:6px !important;" src="http://s.huffpost.com/images/profile/user_placeholder.gif" /></a><a href="http://www.huffingtonpost.com/social/jbre">jbre</a>:<br />

  • Winter in Nunavut

    <a href="http://www.huffingtonpost.com/social/missmoo"><img style="float:left;padding-right:6px !important;" src="http://graph.facebook.com/1025141485/picture?type=square" /></a><a href="http://www.huffingtonpost.com/social/missmoo">missmoo</a>:<br />A snowy day on the bay.

  • <a href="http://www.huffingtonpost.com/social/CanuckLad"><img style="float:left;padding-right:6px !important;" src="http://i.huffpost.com/profiles/2621903-2-tiny.png?20120801153616" /></a><a href="http://www.huffingtonpost.com/social/CanuckLad">CanuckLad</a>:<br />Near Gimli MB, December 2013

  • <a href="http://www.huffingtonpost.com/social/YankinCanada"><img style="float:left;padding-right:6px !important;" src="http://graph.facebook.com/670707948/picture?type=square" /></a><a href="http://www.huffingtonpost.com/social/YankinCanada">YankinCanada</a>:<br />Burlington, Ontario

  • Derry, a one year-old Nova Scotia Duck Tolling Retriever, runs through the snow in Toronto on Sunday, Dec. 15, 2013.

  • Vehicles under a blanket of snow in the Plateau of Montreal, Quebec on Dec. 15. 2013.

  • Snowboarders ride a chairlift at Cypress Mountain in West Vancouver, B.C. Wednesday, Dec. 18, 2013. A lack of snow has left the local mountains with little useable terrain for skiers and snowboarders.

  • Runners brave a winter storm in Halifax on Sunday, Dec.15, 2013. The region is expecting high winds and up to 30 centimetres of snow.

  • Motorists dig out their cars as more than 20 cm of snow fell, Sunday, December 15, 2013 in Montreal.

  • Toronto is hit with another mid-December snowstorm, this time right in the middle of the Tuesday morning commute, Toronto, Ont., Dec. 17, 2013. The city’s skyline can be seen in the distance, with the CN Tower hidden behind a snowy grey sky.

  • A child rides a sled in Oakville, Ont. on Saturday, Dec. 14, 2013. Some areas of southern Ontario received more than 25 centimetres of snow on the day.

  • Winter in Newmarket Ontario

    <a href="http://www.huffingtonpost.com/social/Irazu"><img style="float:left;padding-right:6px !important;" src="http://i.huffpost.com/profiles/380910-tiny.png?20090902180330" /></a><a href="http://www.huffingtonpost.com/social/Irazu">Irazu</a>:<br />Newmarket Ontario, February 2013

  • Cat vs. Bunny in the Snow

    <a href="http://www.huffingtonpost.com/social/Estrogenx"><img style="float:left;padding-right:6px !important;" src="http://i.huffpost.com/profiles/1245512-2-tiny.png?20120117131032" /></a><a href="http://www.huffingtonpost.com/social/Estrogenx">Estrogenx</a>:<br />My cat Simon feels the snow provides sufficient camouflage to his pursuit of rabbits.

  • PJ in the Snow

    <a href="http://www.huffingtonpost.com/social/CarolRollheiser"><img style="float:left;padding-right:6px !important;" src="http://images.huffingtonpost.com/twitter_profile_img/4511395.png" /></a><a href="http://www.huffingtonpost.com/social/CarolRollheiser">CarolRollheiser</a>:<br />

  • Mark McMorris, of Regina, falls on his landing during the Big Air event at the FIS Snowboard World Championship in Quebec City, Saturday, January 19, 2013. THE CANADIAN PRESS/Jacques Boissinot

  • Ice Cold

    <a href="http://www.huffingtonpost.com/social/artandthekitchen"><img style="float:left;padding-right:6px !important;" src="http://s.huffpost.com/images/profile/user_placeholder.gif" /></a><a href="http://www.huffingtonpost.com/social/artandthekitchen">artandthekitchen</a>:<br />Icey cold water of Jasper National Park

  • Don Decker starts to clean up during the first major snowstorm of the season, in St. John's, N.L., on Friday Jan. 11, 2013. An estimated 40cm have fallen. THE CANADIAN PRESS/Paul Daly

  • Toronto

    <a href="http://www.huffingtonpost.com/social/Blani_Bodnar"><img style="float:left;padding-right:6px !important;" src="http://graph.facebook.com/506010575/picture?type=square" /></a><a href="http://www.huffingtonpost.com/social/Blani_Bodnar">Blani Bodnar</a>:<br />Sunset at the beaches

  • Swan Hills, Alberta

    <a href="http://www.huffingtonpost.com/social/CarolRollheiser"><img style="float:left;padding-right:6px !important;" src="http://images.huffingtonpost.com/twitter_profile_img/4511395.png" /></a><a href="http://www.huffingtonpost.com/social/CarolRollheiser">CarolRollheiser</a>:<br />Snowmobiling Deceber 30, 2012

  • An employee of the Saddledome uses a leaf blower to clear snow from the steps of the arena as a light snow falls in Calgary, Alta., Monday, Jan. 14, 2013.THE CANADIAN PRESS/Jeff McIntosh

  • Residents in downtown St. John's try to dig out in the aftermath of a snowstorm that dropped over 40 centimetres of snow by Friday morning, Jan. 11, 2013. THE CANADIAN PRESS/Paul Daly

  • The chapel of the Quebec city Ice Hotel is pictured in Quebec city Sunday January 6, 2013. The first ice hotel in North America, L'Hotel de glace de Quebec is located in Quebec borough of Charlesbourg, 10 km from downtown. The Canadian Press Images/Francis Vachon

  • The Wave

    <a href="http://www.huffingtonpost.com/social/ArcticRose45"><img style="float:left;padding-right:6px !important;" src="http://images.huffingtonpost.com/twitter_profile_img/1650877.png" /></a><a href="http://www.huffingtonpost.com/social/ArcticRose45">ArcticRose45</a>:<br />Cold Winter Night in Yellowknife, NT But but our souls were warmed with this beautiful display of the Aurora Borealis

  • Winter in the North

    <a href="http://www.huffingtonpost.com/social/Dyanne_DiMassimo"><img style="float:left;padding-right:6px !important;" src="http://s.huffpost.com/images/profile/user_placeholder.gif" /></a><a href="http://www.huffingtonpost.com/social/Dyanne_DiMassimo">Dyanne DiMassimo</a>:<br />Vanderhoof, B.C. December 9 2012

  • Frosty window in Toronto

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  • Frozen falls

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  • The Road Home

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  • Whiteshell Provincial Park in Manitoba — a prairie sunset in the winter. Photo Courtesy of <a href="http://hikebiketravel.com/">Leigh McAdam</a>

  • Winter Wonderland

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  • Lighted trail

    <a href="http://www.huffingtonpost.com/social/hp_blogger_Kenny Yum"><img style="float:left;padding-right:6px !important;" src="http://www.huffingtonpost.ca/contributors/kenny-yum/headshot.jpg" /></a><a href="http://www.huffingtonpost.com/social/hp_blogger_Kenny Yum">HuffPost Blogger Kenny Yum</a>:<br />Running trail at night in Toronto after a snowfall.

  • Jasper national Park

    fall frozen

  • winter looking over river bourgoeis water

    my dog lilo loving the snow this morning

  • Off Leash in the Ravine

    <a href="http://www.huffingtonpost.com/social/cpmaz"><img style="float:left;padding-right:6px !important;" src="http://s.huffpost.com/images/profile/user_placeholder.gif" /></a><a href="http://www.huffingtonpost.com/social/cpmaz">cpmaz</a>:<br />Patricia Heights Ravine Edmonton, Alberta

  • Peachland, BC Canada Jan 18th 2013

    Peachland, BC Canada January 18th 2013

  • Leo and Mount Orford

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  • Kamiskotia Lake, Timmins Ontario

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  • Ice Soldiers

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  • Peachland,BC Christmas Day

    Peachland, BC Canada Christmas day 2012. CasandraProbe

  • Port Dover after winter storm

    <a href="http://www.huffingtonpost.com/social/scallywag1959"><img style="float:left;padding-right:6px !important;" src="http://s.huffpost.com/images/profile/user_placeholder.gif" /></a><a href="http://www.huffingtonpost.com/social/scallywag1959">scallywag1959</a>:<br />Time to start shoveling

  • Peachland,BC Canada

    Peachland, Bc Canada Cassandra

  • Sampson

    <a href="http://www.huffingtonpost.com/social/Carryl_Coles"><img style="float:left;padding-right:6px !important;" src="http://graph.facebook.com/1264221731/picture?type=square" /></a><a href="http://www.huffingtonpost.com/social/Carryl_Coles">Carryl Coles</a>:<br />Sampson's snow fort, Kamloops BC Jan 2013

  • Snowy Aurora

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  • Winter Light

    <a href="http://www.huffingtonpost.com/social/Brian_S_Wyatt"><img style="float:left;padding-right:6px !important;" src="http://graph.facebook.com/681519072/picture?type=square" /></a><a href="http://www.huffingtonpost.com/social/Brian_S_Wyatt">Brian S Wyatt</a>:<br />Sunnybrook Park, North York, Ontario, January 9, 2013

  • Beautiful Buck!

    <a href="http://www.huffingtonpost.com/social/Shelley_Angus_Adler"><img style="float:left;padding-right:6px !important;" src="http://graph.facebook.com/612595055/picture?type=square" /></a><a href="http://www.huffingtonpost.com/social/Shelley_Angus_Adler">Shelley Angus Adler</a>:<br />Beautiful!

  • Snowed in

    <a href="http://www.huffingtonpost.com/social/Brian_Campbell_Canada"><img style="float:left;padding-right:6px !important;" src="http://s.huffpost.com/images/profile/user_placeholder.gif" /></a><a href="http://www.huffingtonpost.com/social/Brian_Campbell_Canada">Brian Campbell Canada</a>:<br />After a 47 cm snowfall in Montreal, Quebec

  • Snowshoe in Rogers Pass

    <a href="http://www.huffingtonpost.com/social/Jeremy_Luc_Hachey"><img style="float:left;padding-right:6px !important;" src="http://graph.facebook.com/799765000/picture?type=square" /></a><a href="http://www.huffingtonpost.com/social/Jeremy_Luc_Hachey">Jeremy Luc Hachey</a>:<br />Stopped to stretch our legs in Rogers Pass (Dec. 16, 2012)

  • Oliver Horses

    <a href="http://www.huffingtonpost.com/social/marikane"><img style="float:left;padding-right:6px !important;" src="http://graph.facebook.com/534243669/picture?type=square" /></a><a href="http://www.huffingtonpost.com/social/marikane">marikane</a>:<br />In Oliver BC everyone is friendly, even the horses. On the benchlands above town, we met these ranging horses.

  • White Tuesday in Toronto

    A winter view of some parts of Toronto.

  • <a href="https://twitter.com/DebraKirk/status/293814583569813504/photo/1">@DebraKirk: Lake Scugog, Ontario</a>

  • Bitter Cold

    A woman walks through a ravine in Toronto's east end on Tuesday January 22, 2013 as the city issues an extreme weather warning after temperatures drop to minus 24.

  • Sunset in Atlantic Canada

    <a href="http://www.huffingtonpost.com/social/brideaumc"><img style="float:left;padding-right:6px !important;" src="http://images.huffingtonpost.com/twitter_profile_img/4492441.png" /></a><a href="http://www.huffingtonpost.com/social/brideaumc">brideaumc</a>:<br />Sunset in Caraquet New Brunswick taken on January 14th 2013. Temperatures went from 8c to -15c