Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

A significant late season heat wave continues in the interior Pacific Northwest for at least one more day before easing somewhat Friday into Saturday. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >

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Last Map Update: Thu, Sep 4, 2025 at 7:54:09 am MDT

Watches, Warnings & Advisories

National Weather Service NWS Flagstaff, AZ

National Weather Service Albuquerque, NM

National Weather Service NWS Tucson Arizona

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Flood Watch

Excessive Rainfall Outlook

Thursday

Rain Chances

Fri/Sat Rain

7-Day High Temps

Wx Pattern

The Weather Prediction Center has the area under a Marginal (level 1/4, green color) and Slight Risk (level 2/4, yellow color) for excessive rainfall. Hurricane Lorena still looks to possibly track over Arizona, New Mexico, and far west TX bringing a tropical airmass that could produce heavy rainfall as it tracks across the area.

Cooler and mostly cloudy conditions expected for Thursday. Showers and thunderstorms will favor southwest New Mexico.

Hurricane Lorena is expected to produce some impacts for the Borderland late this week as moisture is transported north ahead of it. There is still uncertainty regarding how deep the moisture will be, but confidence is growing in seeing at least isolated instances of flash flooding. Stay tuned to the forecast!

Rainfall scenarios for late this week.

One last warm day on Thursday becoming nice, cloudy and cool Friday and even into Saturday thanks to Hurricane Lorena passing across the area. By Sunday and early next week, temperatures rebound to near normal with drier and sunnier conditions.

An overview of the weather pattern late this week involving Lorena and a surge of tropical moisture.

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Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

NWS El Paso