Monsoon storms made a brief appearance in the Las Vegas Valley on Tuesday.

It may be even briefer today, if at all.

There’s a 20 percent chance of rain this afternoon, said Matt Woods of the National Weather Service. On Tuesday, Harry Reid International Airport recorded a trace. The last time the airport saw measurable rain was July 3, at the beginning of monsoon season, when it recorded .02 inches.

Very dry monsoon season

So far, this is the fourth-driest monsoon season on record, said Chris Outler of the National Weather Service. The Las Vegas monsoon season runs from July 1 to Sept. 30.

The driest years are 2020 and 1944 (tied with a trace) and 2010 (0.01).

So far in 2025, the airport has seen 2.05 inches (average is 2.27). A normal rainfall year in Las Vegas is 4.18 inches. The a

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