PHOENIX -- Overall, we're expecting an upsurge in monsoon thunderstorms this weekend across Arizona. But, given the scattered nature of monsoon storms, that doesn't mean everyone is going to get rain.
Right now, the highest probabilities for precipitation are in southern, eastern and northern Arizona, generally in the higher elevations. Metro Phoenix could see some rain anytime between now and Tuesday. Potential rainfall maps for the Valley are running anywhere from a trace of rain to about 1/4 inch for the weekend. But again, it's not a lock any rain is going to occur.
We're also still dealing with a High Pollution Advisory for Ozone for the rest of Friday. As a result, leaf blowers and open fires are prohibited in Maricopa County. Ozone is expected to peak in the unhealthful range at many areas across metro Phoenix late in the day Friday.
Monsoon Update: A lot of folks have been saying, “Hey we got a quick start to the monsoon with the four straight days of rain last week.” Problem is, it's not exactly the case. We're still behind our average monsoon rainfall pace and, at this point, could even see less rain than we did a year ago when only 1.60 inches of rain fell for the entire rainy season. 2011 was certainly what some folks like to call a “non-soon.”