Perseid meteor shower

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PHOENIX -- Clear skies will allow sky-watchers in Arizona to experience an annual treat.

The Perseid meteor shower will be visible from around midnight until 5 a.m. Tuesday. Every year, the Earth crosses the orbital path of the Swift-Tuttle comet. Pieces of the comet break off and create a light show in the night sky. Roughly 50 to 100 meteors per hour will be visible with the naked eye. Viewing should be done away from city lights.

Tonight in the Valley, expect clear skies and a low of around 82.

Dry southwesterly flow will keep most of Arizona clear and dry for Tuesday. An area of low pressure to our west is behind our monsoon break. The exception to this rule will be across the high country of eastern Arizona, where afternoon and evening isolated showers or storms are expected.

In the Valley, Tuesday afternoon should not be as hot as it was Monday, when we hit a high of 111 at Sky Harbor. Look for Tuesday’s highs to be around 107.

The Valley is expected to stay dry for most, if not the entire week. Temperatures will continue to gradually increase to around 110. The seasonal average high temperature for this time of year is 105.