Monsoon Moisture Invades the Southwest

news image
Special Stories
31 Jul 2019 11:44 AM
As a trough of low pressure and a ridge of high pressure work together to transport tropical moisture from the south, areas in the desert southwest will continue to tap into wet weather through the extended forecast. The monsoon is characterized by a seasonal shift in the wind direction, affecting atmospheric precipitation totals throughout the southwest. Typically the rainy months begin in July and last through late September, when we typically see a cooler and drier airmass begin to set up. Here are the most common threats associated with the monsoon season. This is the extended precipitation outlook for days 6 - 10 from the Climate Prediction Center, or the CPC. Here is the link for your weather curiosity;   https://www.cpc.ncep.noaa.gov/ Showers and thunderstorms typically spark up near noon each day, with daytime heating and available moisture, and usually continues through the late evening hours. Like clockwork, the cycle repeats itself through the season. Here is the timing of shower and thunderstorm development through the next 24 hours. The Storm Prediction Center, or SPC, has the area under a General Thunderstorm risk for Wednesday. This forecast will likely continue through the foreseeable future, as the dominate mid and upper features remain in place through the next month or so.   For all things weather stay tuned to WeatherNation. I'm Meteorologist Greg Rule.      
All Weather News
More
Marie's Moisture Pulled into the Southwest Labor Day Weekend

Marie's Moisture Pulled into the Southwest Labor Day Weekend

While many do not associate tropical storms a

5 Sep 2026 12:10 AM
Lowell Could Brush Hawaii as the Eastern Pacific Remains Hyperactive

Lowell Could Brush Hawaii as the Eastern Pacific Remains Hyperactive

The Pacific hurricane season is showing no si

4 Sep 2026 11:10 PM
Power Out for Thousands; Severe Storms Continue for the Great Lakes & Northeast

Power Out for Thousands; Severe Storms Continue for the Great Lakes & Northeast

Severe storms have been following the same pa

4 Sep 2026 7:15 PM
Flood Threat Lingers in Texas After Edouard

Flood Threat Lingers in Texas After Edouard

Intense rainfall has inundated parts of Texas

4 Sep 2026 1:00 AM
More Severe Weather For The Plains

More Severe Weather For The Plains

WHAT TO EXPECTThere is a significant severe t

3 Sep 2026 12:55 AM
Monsoon Moisture Brings Flooding Across the Four Corners

Monsoon Moisture Brings Flooding Across the Four Corners

Flood Watches are in effect throughout Arizon

1 Sep 2026 10:20 AM
El Nino Pushes Sharks into Southern California Beaches

El Nino Pushes Sharks into Southern California Beaches

During El Nino, temperatures across the Easte

30 Aug 2026 10:00 AM