Hilary Impacts Linger - Moisture Arrives to PNW

news image
Top Stories
22 Aug 2023 1:50 PM

Hilary is no longer a tropical threat, but still heavy rainfall from the Pacific will stream northward into the western U.S. Southerly flow will transport moisture from Hilary north into the western states, and terrain enhancement could mean a few stronger storms.

We will be focusing on a corridor of moisture through Arizona and Utah, that is around I-15. Heavy rain will also impact the Northwest, which could lead to mudslides and debris flow as a result. The Rockies of Idaho should be able to handle the moisture a bit better compared to southern California, but the flood threat remains. Our primary concern is heavy rain and flash flooding. As evidenced by Sunday's rainfall, 2-3" of rain can turn creeks into rivers and create big issues.

As a result of the heavy rainfall threat there are flood watches in effect for southern Utah and much of the norhtner Rockies. Our primary concern will be for recent area burn scars and mudslides & debris flow.

Join WeatherNation for coverage on Hilary's damage and lingering threat, always streaming 24/7.

All Weather News
More
Spring & Summer Like Temperatures For the Southwest

Spring & Summer Like Temperatures For the Southwest

This week brings some nice days to the southe

25 Feb 2026 3:05 AM
Heavy Rain & Snow Across The West

Heavy Rain & Snow Across The West

Inches of rain and feet of snow fell across t

25 Feb 2026 3:00 AM
Elevated Fire Danger Across Southern Plains

Elevated Fire Danger Across Southern Plains

Last week, multiple fires broke out across th

25 Feb 2026 2:50 AM
Northeast Hit By Historic Snowstorm

Northeast Hit By Historic Snowstorm

MAJOR SYSTEM RECAP:The Northeast hasn't seen

25 Feb 2026 2:15 AM
Strong Storms Target the Southeast

Strong Storms Target the Southeast

A developing storm system is expected to brin

21 Feb 2026 7:55 PM
New England Snow & Ice Into Saturday

New England Snow & Ice Into Saturday

Snow has become more widespread across Upstat

21 Feb 2026 3:15 AM
Major Storm System Winds Down in California

Major Storm System Winds Down in California

CALIFORNIA - After almost a week of relentles

21 Feb 2026 3:10 AM