An isolated storm cell drops rain over the far northeast part of the valley just as sun sets Thursday, a day that saw scattered monsoon action around Tucson.

Chances of monsoon storms will decrease on the Fourth of July as drier air moves into the metro Tucson area from the northeast.

That means Tucsonans can expect clear skies for fireworks, forecasters say.

Thunderstorms and flash flooding are expected here through Wednesday, with high temperatures ranging from 100 to 104 degrees, according to the National Weather Service in Tucson. Storm chances drop and temperatures rise from Wednesday, 102 degrees with a 40% chance of rain, to Thursday, 104 with a 20% chance on rain.

โ€œIn all likelihood, weโ€™re not looking at a lot of activity on Thursday,โ€ said Glenn Lader, a senior forecaster with the weather service here. โ€œThey donโ€™t completely go away, but itโ€™s looking like any storms are going to are going to be isolated.โ€

Temperatures will continue to rise on Friday before slightly dropping into the holiday weekend with an expected high of 107 degrees Friday, 106 on Saturday and 105 on Sunday, according to the weather service.

A hot June in Tucson

June was the fourth hottest on record here, with an average temperature of 89.3 degrees (3.2 degrees higher than average), according to the wether service.

Tucsonans felt triple-digit high temperatures almost every day last month.

Temperature extremes ranged from a high of 110 degrees on June 20, to a low temperature of 66 on June 2 and June 3, figures show.

June also had unusually high surface dew point values during the last third of the month, starting monsoons earlier than expected.

A man puts on rain poncho as he stands at St. Maryโ€™s Road and the I-10 Frontage road as a monsoon storm rolls over Tucson, Ariz., on June 28, 2024.

Rainfall for the month was 1.07 inches, making June 2024 the 10th wettest on record.

Up to two inches of rain fell across portions of metro Tucson on June 22. The storm that day caused flash flooding and led to over a dozen swift water rescues, authorities have said.

July is expected to be hotter than normal too.

The weather service predicts above-average monthly high temperatures and slightly above-average amounts of rain.


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