Rainfall Warning
A Rainfall Warning is issued when significant rainfall is expected to create hazardous conditions, including flooding, water accumulation and difficult travel.
SnowStorms
Freezing Rain Warning
A Freezing Rain Warning is issued when freezing rain is expected to create hazardous ice accumulation on roads, sidewalks, trees, power lines and other surfaces.
Extreme Cold Warning
An Extreme Cold Warning alerts you when extremely cold temperatures or very low wind chill values are expected to create dangerous conditions.
Heat Warning
A Heat Warning is issued when temperatures or Humidex values are forecast to reach regional thresholds associated with increased health risks, typically for at least two days.
Blizzard Warning
A Blizzard Warning is issued when strong winds and snow or blowing snow are expected to cause widespread visibility of 400 metres or less.
Air Quality Warning
An Air Quality Warning is issued when wildfire smoke or other pollutants cause air quality to reach levels that may pose a risk to human health. Learn what triggers an Air Quality Warning in Canada, how the Air Quality Health Index (AQHI) is used, and what steps you can take to reduce your exposure.
Mostly Clear
Mostly clear describes a sky condition where only a small amount of cloud cover is present and most of the sky remains clear.
Overcast
Overcast describes a sky condition where clouds cover nearly all or all of the visible sky, creating a continuous or nearly continuous cloud layer.
Partly Couldy
Partly cloudy describes a sky condition where clouds cover part of the sky while a substantial amount of clear sky remains visible.
Mostly Cloudy
Mostly cloudy describes a sky condition where clouds cover most of the sky, but some areas of clear sky remain visible.