Las Vegas Sun

April 24, 2014

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May brings preview of summer heat

Daytime hight in upper 90s expected into next week

It's warmer than normal. Thunderstorms pop up in the afternoon. There's little or no wind in the Las Vegas Valley, except around thunderheads. Is this summer?

The calendar and the National Weather Service say no, but this May is giving Las Vegas residents and visitors a preview of summer heat.

The temperatures will stay in the upper 90s into the next week, bringing little or no wind in a month that is usually one of the windiest in the valley, weather forecasters say.

Overnight lows stay in the low to mid 70s, so the valley doesn't cool off.

The thunderstorms form mainly over the mountains, and if one does stray across the valley, like Tuesday afternoon when an isolated storm pushed over Nellis Air Force Base in the northeastern valley, it produces little or no rain.

The moisture is trapped too high to let much of it fall as rain, the weather service says. Any storms that reach Las Vegas will produce lots of wind. Maybe a drop or two of rain, but no flash floods seen later in the summer.

Some relief from the heat may come from the Pacific Ocean if cooler air moves into the desert Southwest over the weekend or early next week. Then normal temperatures around 90 degrees may return. Until then, warmer than normal temperatures are expected with thunderstorms rearing up over the mountains in the afternoons and evenings with little or no rain.

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