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Weather tracker: North-west US hit by snow ahead of eastern heatwave

Western states experience unseasonally low temperatures but New York and Washington DC could reach 40C by end of week

Weather tracker: North-west US hit by snow ahead of eastern heatwave

TL;DR

  • Unseasonal snow has fallen in the western US, with snow observed at elevations as low as 1,800 meters in Idaho, Montana, and Wyoming.
  • The cold front has increased wildfire danger due to dry vegetation, lightning strikes, and heightened winds, with the 2026 fire season expected to be severe.
  • A heatwave is developing in the Northeast, with temperatures potentially reaching 40C (104F) in cities like New York, Philadelphia, and Washington DC by the end of the week.