Mild temperatures across the Greater Toronto Area this weekend has caused ice and snow to thaw, creating a slushy mess.

Environment Canada is calling for 15 to 25 mm of rain as temperatures soar to a high of 8 C. Many residents awoke Saturday morning to a thick fog across much of the region, creating limited visibility for motorists.

Both Toronto Pearson and Billy Bishop Airport advised travellers to check their flight status ahead of time as the weather was causing some delays.

The Toronto Region Conservation Authority has sent a warning to GTA residents to be aware of "the combination of slippery and unstable banks, unsafe ice and extremely cold water temperature that will create very hazardous conditions close to any river, stream or other water bodies."

There's also the possibility for flooding on roads, underpasses and in low-lying areas, Toronto's head of transportation services said.

"The threat now is just with the melting snow and the imminent rain coming in over the weekend that we're going to have some localized ponding on the roadways," Peter Noehammer said.

Noehammer said so far the precipitation hasn't created any problems but had this advice for homeowners.

"For your own property, if there's any snow buildup around your window wells, your doorways and entrances into your home, try to avoid water that could come into your home by pushing that away," he said.

"Getting it away from the perimeter of your house so it can find its way to the driveway, to the roadway, and drain away."

Etobicoke resident Flora Sardina woke up at 2 a.m Saturday to the sound of water dripping into the basement of her home.

"We spent hours trying to get rid of it this morning and it's still coming down," she said after calling a plumber to help fix the leak.

One company told CBC News Sardina was not alone, and they had been kept busy all day dealing with flooded basements.

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  • 10. -61.1 C | Fort Vermilion, Alberta, Canada

    On Jan. 11, 1911, the temperature <a href="" target="_blank">dipped down to -61.1 C</a> in Fort Vermilion. The area is also known as <a href="" target="_blank">the oldest settlement in Alberta,</a> located on the banks of the Mighty Peace River.

  • 9. -61.7 C | Fort Good Hope, Northwest Territories, Canada

    On Dec. 31, 1910, the people of Fort Good Hope endured a low of <a href="" target="_blank">-61.7 C on New Year’s Eve</a>. This community is located on a peninsula between <a href="" target="_blank">Jackfish Creek and the east bank of the Mackenzie River.</a>

  • 8. -62 C | Prospect Creek, Alaska, USA

    On Jan. 23, 1971, Prospect Creek set the record for the <a href="" target="_blank">lowest temperature recorded in the USA at -62 C</a>. This settlement is best known for its gold and quartz mining and lies near Alaska’s Gates of the Arctic National Park.

  • 7. -63 C | Snag, Yukon, Canada

    Holding the record for the lowest recorded temperature in Canada is Snag, Yukon with a low of <a href="" target="_blank">-63 C recorded on Feb. 3, 1947</a>. Snag is located in southwest Yukon near the Alaska Highway and is not far from the Alaska-Yukon border. Pictured here is the Alaska Highway, which runs through Snag, Yukon.

  • 6. -64.4 C | Yakutsk, Russia

    In the month of February in 1891, the people of Yakutsk, Russia experienced temperatures that <a href="" target="_blank">dipped to as low as -64.4 C</a>. Yakutsk is also the<a href="" target="_blank"> largest city built on continuous permafrost</a>.

  • 5. -66.1 C | North Ice Research Station, Greenland

    At the North Ice research station of the British North Greenland Expedition on the inland ice of Greenland, the station recorded a temperature of<a href="" target="_blank"> -66.1 C on Jan. 9, 1954.</a> Photo Credit: <a href="" target="_blank">NASA Goddard Photo and Video </a>

  • 4. -67.7 C | Verkhoyansk, Russia

    On Feb. 5. and Feb. 7, 1892, Verkhoyansk, Russia<a href="" target="_blank"> recorded a temperature of -67.7 C</a>. However, there has been some controversy about this record low temperature as spirit thermometers were used then, and they are less accurate than the mercury thermometers used now.

  • 3. -67.7 C | Oymyakon, Russia

    Oymyakon, Russia recorded the same low temperature as Verkhoyansk, <a href="" target="_blank">-67.7C, on Feb. 6, 1933</a> when a mercury thermometer was used. Regardless of which thermometer was used, both of these places make our top ten list because they've recorded the type of cold temperatures we never want to experience.

  • 2. -89.4 C | Vostok, Antarctica

    Currently holding the world record for the lowest temperature ever recorded is the Vostok Research Station in Antarctica where a temperature of<a href="" target="_blank"> -89.4 C was recorded on July 21, 1983</a>.

  • 1. -94.7 C | East Antarctica

    According to newly analyzed NASA satellite data, there was a new record set for the lowest temperature ever recorded at <a href="" target="_blank">-94.7 C in Aug. 2010 in East Antarctica</a>. However, because the temperature was recorded by a satellite, it will not be included in the Guinness Book of World Records. Therefore on paper, Vostok, Antarctica will still hold the top spot.