5:00 AM EST Monday 23 February 2015
Extreme Cold Warning in effect for:

  • Niagara Falls – Welland – Southern Niagara Region
  • St. Catharines – Grimsby – Northern Niagara Region

A prolonged period of very cold wind chills is expected.

Bitterly cold arctic air has returned to Southern Ontario. Moderate northwesterly winds combined with very cold, possibly record setting minimum temperatures are producing extreme wind chills of minus 30 to minus 40 this morning.

People planning to be outdoors should dress appropriately and exercise caution. Exposed skin may freeze in as little as 10 minutes.

Wind chills will slowly improve somewhat this afternoon as temperatures rise for a few hours. However wind chills in many areas will dip back to near minus 30 again tonight as this frigid arctic air mass prevails over the region.

Forecast for Week in Niagara:


Today, mainly sunny. Wind west 20 km/h. High minus 16. Wind chill minus 34. UV index 3 or moderate.

A few clouds. Wind southwest 30 km/h. Low minus 23. Wind chill minus 34.

Mainly cloudy. Periods of snow and local blowing snow beginning late in the afternoon. Amount 2 cm. Wind southwest 40 km/h gusting to 60. High minus 8. Wind chill minus 31.

A mix of sun and cloud with 40 percent chance of flurries. Windy. Low minus 14. High minus 14.

Sunny. Low minus 17. High minus 11.

Sunny. Low minus 14. High minus 8.

A mix of sun and cloud. Low minus 13. High minus 5.

Cloudy with 40 percent chance of flurries. Low minus 8. High minus 1.

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