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MOST ACCURATE FORECAST: Chance of showers and thunderstorms across Arizona

Showers and thunderstorms are firing up across the high country today and there's a slight chance that one or two could move down into the Valley this evening. We expect a lot of evaporation, so we won't get much rainfall but more likely just some gusty winds in places like Anthem, Cave Creek, Carefree, Fountain Hills, Scottsdale, east Mesa and Apache Junction. Up north, these storms may bring lightning and small hail to parts of the high country.

By: Amber Sullins

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PHOENIX — Showers and thunderstorms are firing up across the high country and there's a slight chance that one or two could move down into the Valley this evening.

We expect a lot of evaporation, so we won't get much rainfall but more likely just some gusty winds in places like Anthem, Cave Creek, Carefree, Fountain Hills, Scottsdale, east Mesa and Apache Junction.

Up north, these storms may bring lightning and small hail to parts of the high country.

Another weak storm system will move through on Friday, bringing a slight chance of showers to the high country and across northern Arizona.

Then, a third storm system moves in over the weekend. This one will bring much stronger winds, chances for rain and snow, and a major cool-down.

Increased winds on Saturday and Sunday will heighten wildfire danger as gusts top 45 mph in parts of the high country.

Those winds will usher in some much cooler air, dropping temperatures 10 to 20 degrees across the state.

Chances for rain and snow will increase on Sunday with the snow level falling to 5,500 feet by Monday morning.

Early estimates show the potential of an inch or two of snowfall in the Flagstaff area.

Right now, there's just a slight chance of isolated showers in the Valley on Sunday as temperatures fall into the upper 70s. We'll keep you posted on any changes as we get closer.