After a break from the heat over Labor Day weekend, forecasts indicate Tucson could see soaring temperatures over the next couple of days that could break records.
Initially issued as an excessive heat watch, the National Weather Service in Tucson upgraded this weekend’s warning to an excessive heat warning early Thursday.
The warning is in effect from early Friday through Sunday evening.
The high temperature on Saturday is expected to reach 108 degrees, two degrees higher than the record high of 106 degrees set in 1990. The temperature on Sunday is expected to reach 107 degrees, which will likely match the record set on September 10 in 1990.
The hottest September day on record for the Tucson metro area was set for September 4, 2020, when Old Pueblo reached 110 degrees.
As of Thursday, the weather service here had recorded temperatures above 100 degrees on three days this month. On average for September here, the number reaches triple digits eight times. Two days this month the temperature reached 105 degrees.
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Monday’s high temperature is expected to reach 104. However, forecasts indicate that the hottest day comes with a 30% chance of rain in the evening.
Tucson’s summers are known to have been some of the hottest on record.
Despite a recent string of 100-plus-plus days, Tucson residents should expect “warm and above normal” temperatures to end the monsoon season, said Chris Rasmussen, a meteorologist with the local weather service. He went on to say that the hot temperatures may not be excessive.
He said the chance of thunderstorms was decreasing.
“We will not see an increase in rainfall and thunderstorms until the first half of next week, from Monday to Wednesday,” he said. “I don’t want to say it will be the last chance of our monsoon season, which ends (September 30), but it is definitely showing signs that we will see some significant drought starting in the second half of next week.” And move forward.”
While Rasmussen said he couldn’t rule out moisture returning to the area before the end of the month, storms become more difficult to occur as the end of the monsoon season approaches.
As of Tuesday, Tucson residents expect temperatures to drop below 100 degrees, but they will rise again by the end of the week when the area will be drier.
Rasmussen expects this major dry spell to begin on Thursday and continue through the rest of the week, with daily highs returning to above 100.
