PHOENIX, AZ – The National Weather Service has issued a warning of a very cold upper low, with origins in Northwest Canada, that is expected to move into the desert southwest early Friday. This low is expected to remain over the region through the upcoming weekend and into early next week. It will bring an extended cold wave to Southeast California and Southwest and South-Central Arizona.
A strong and dry cold front is expected to move into Southeast California Thursday afternoon and into Southwest Arizona Thursday night and into South-Central Arizona by early Friday morning. Much colder air will be moving in behind the front. The upper low and associated arctic air is then expected to remain over the desert southwest through early next week.
Strong 35-45 mph westerly winds with gusts to 50 mph with blowing dust possible on Thursday afternoon across South-East California and across South-West and South-Central Arizona.
There is also a chance for scattered showers and mountain snow late Thursday/ early Friday.
Predictions are for very cold temperatures with the strong possibility of a freeze, or even a hard freeze, all the way from Saturday morning into next Tuesday morning.
A moderate to high wind advisory is issued for Thursday afternoon for Southeast California and the Lower Colorado River Valley along with a moderate to high freeze warning.