The storm system arrives late Monday


PHOENIX (3TV/CBS 5) — High pressure was responsible for abnormally warm temperatures and fine weather this weekend. The high pressure ridge is moving east, and we are making room for the next storm system. We continue to monitor an area of ​​low pressure on the west coast route in our direction. Winds will increase ahead of this system. South-southwest gusts of 20 to 30 mph will be common Monday afternoon, with gusts up to 40 mph possible for areas south of Phoenix; some locations in the highlands can expect gusts over 40 mph. Dust blowing will likely occur Monday afternoon/evening in dust prone areas.

As this system moves through the region, expect the chance of rain to increase Monday evening. Scattered showers and even a few thunderstorms will hit Arizona late Monday through Tuesday. Low deserts can expect a few tenths of an inch of precipitation. High ground north and east of Phoenix will likely receive about an inch of rain, with locally higher amounts. Small hail and strong winds could accompany the severe thunderstorms that will develop on Tuesday. Thundersnow will be possible in the high country on Tuesday. Since the ground is warm, any snow that initially falls will have a hard time sticking. The mountains will receive a few inches of snow, mostly above 6,000 feet.

Temperatures will drop on Tuesday. After weekend highs in the 90s, the Valley will drop from the 80s on Monday to barely 70 degrees on Tuesday. Tuesday’s highs in the high country will return to the 40s and 50s. As the system moves away, temperatures will quickly rebound from Wednesday. You can expect seasonal temperatures for the remaining week. High temperatures in the lower 80s are considered normal for this time of year in Phoenix.


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