North America
Significant temperature swings are expected across the continent, with rapid cooling affecting western and central Canada while parts of the eastern US experience a sharp rise in warmth. These shifts will unfold over the coming days as distinct air masses move through the region.
Outlook period: —
A strong cold front is driving rapid cooling in Calgary, San Jose, Winnipeg, and Ottawa, dropping temperatures by more than 18 degrees Celsius within roughly 30 hours. Conversely, Washington is set to undergo a rapid warming event, with values climbing significantly above normal levels before the end of the week. For specific details on timing and conditions at these locations, please refer to the detailed city forecasts for Calgary, San Jose, Ottawa, Winnipeg, and Washington available in the full report.