Today 1 May the heat moved East and it's an exceptionally hot day in Montana and Alberta,thanks to chinook winds.
Missoula,MT rose to 90F/32C, its earliest 90F in the last 113 years (only in 1910 it recorded an earlier one).
84F/29C at Edmonton,Canada.
Next 3 days will be similar
https://nitter.moomoo.me/extremetemps/status/1653175966980603910#m