Apr 10, 2014 6:25 PM by Matt Brode

A very dry and warm day

TUCSON - As of 3 p.m. on Thursday, it was 94 degrees in Tucson and the dew point was -13. When you combine these two numbers you get a relative humidity of 1%. That is some very dry air!

Dry air can cool down quicker than moist air so temperatures fall through the 70s and 80s soon after sunset, and most areas cool through the 50s for overnight lows.

A weak system off the coast of California will sweep through the state over the weekend. This will cool our temperatures back into the 80s for daytime highs and bring some afternoon breezes.


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