National Weather Service United States Department of Commerce
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Last Map Update: Sun, Oct 18, 2026 at 10:40:13 pm MST

Isolated to scattered showers will be present once again over parts of south-central Arizona Monday. Majority of the activity should remain to the east of Phoenix, but some activity cannot be completely ruled out over parts of the metro. Outside of wet roads and some rumbles of thunder, little to no impacts are expected.
An amplified low pressure system off the CA coast by the middle of the week is expected to pull in above normal moisture into the Desert Southwest. This will result in heightened rain chances, especially Wednesday and Thursday. The highest rain chances are expected across south-central AZ. Temperatures are forecast to fall to 5-10 degrees below normal by the latter portion of the week. There continues to be uncertainties in the rainfall totals and exact timing of the best rain chances along with severe weather potential. Stay tuned!
Near to slightly above normal temperatures the next couple of days with widespread Minor HeatRisk expected. A weather system affecting the area by the latter half of the week will result in a cooling trend.

 

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