Cooler Mid-Week

Deep red/purple skies over the Rincons at 6:00 am MST this morning.

A 500 mb short-wave trough over the Northwest this morning is forecast to deepen and cross Arizona on Wednesday. GFS forecast above is valid at 11:00 pm Wednesday night. 

Plumes from the 06 UTC GEFS are shown here. QPF forecasts above indicate slight chance for light showers Wednesday night. Plumes below show members' forecasts for temperature and winds at the airport - again indicating cooler and windy conditions at mid-week.

Over the Atlantic tropical storm Nicole has developed. The NHC forecasts this storm to remain below hurricane strength as it moves eastward, before turning north and curving across Florida. Current forecast is shown below. The eastern Pacific remains quiet.