PHOENIX — A surge of monsoon moisture is on the way that could bring a few showers to the Valley by early Thursday morning.
Temperatures are dropping slightly too, but as humidity stays high it's still going to feel very hot in the afternoon hours.
Daytime highs in the Valley will stay below 110 degrees Thursday through Saturday, but heat index values will make it feel two to three degrees hotter each day.
Temperatures will soar again early next week, likely topping 110 again by Sunday and approaching 115 by the middle of next week.
Phoenix has now had 42 days this summer at 110 degrees or hotter. That's the second most ever recorded. The record is 53 days set in 2020 and we will definitely make a run at that record this year as high heat continues through August.
We've also had 25 days so far with lows in the 90s. That is already the second most ever recorded and we still have all of August to get through! The record is 28 days set in 2020 and that record will likely get broken this summer.
We could also add to our tally of days at 115 degrees or hotter next week. 2023 is already in the top spot with 19 days so far. The previous record of 14 days was set in 2020.
Heat is the number one weather-related killer. So, remember to limit your time outside during the hottest part of the day and stay hydrated. Keep an eye on kids and the elderly as they can be the most affected by the heat. Bring your pets inside, too.
There's also still a slight chance for more isolated monsoon storms in the Valley. We're not expecting a lot of rain, but we can't rule out a few storms here and there over the next several days.
Phoenix is currently in the middle of the fourth-longest dry streak on record. It has been 139 days since we've had measurable rain at Sky Harbor.
This is also the first time in recorded history that Phoenix has not received any measurable rainfall in the months of April, May, June and July.
So far, we have only had a trace of rain at Sky Harbor since the start of the monsoon season. To date, 2023 tied with 1995 for the driest starts to the monsoon on record here. (Phoenix didn't get measurable rain until August 14th back in 1995.)
Across northern and eastern Arizona, monsoon storms will continue to develop each day through the weekend and early next week. Those storms could bring heavy downpours, dangerous lightning, powerful wind gusts and even isolated flooding.
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2023 Rainfall totals:
Sky Harbor Official Rainfall: 2.88" (-1.25" from average)
Valley Average (Phoenix Rainfall Index): 3.57"
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Daily rainfall reports from all across the Valley can be found here.
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PHOENIX IS GETTING DRIER - LOWER RAINFALL AVERAGES NOW
Average Monsoon Rainfall in Phoenix (1981-2010): 2.71" of rain
NEW Average Monsoon Rainfall in Phoenix (1991-2020): 2.43" of rain
Average Yearly Rainfall in Phoenix (1981-2010): 8:03" of rain
NEW Average Yearly Rainfall in Phoenix (1991-2020): 7.22" of rain
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