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
Southwest Pattern Change Ahead

Southwest Pattern Change Ahead

While much of the country, and in particular

29 Mar 2026 2:15 AM
Large Hail Hits the Midwest, Strong Storms Return Next Week

Large Hail Hits the Midwest, Strong Storms Return Next Week

A strong cold front raced across the Midwest

29 Mar 2026 2:10 AM
Passing Fronts Increase Fire Danger

Passing Fronts Increase Fire Danger

It's been unbearably hot across the West for

29 Mar 2026 2:05 AM
More Record Highs Obliterated in Historic Heat Wave

More Record Highs Obliterated in Historic Heat Wave

ABOVE - The month of March has been setting r

29 Mar 2026 2:00 AM
Artemis 2 Set To Launch Wednesday, Watching the Forecast

Artemis 2 Set To Launch Wednesday, Watching the Forecast

Artemis 2 is finally ready to launch! After t

29 Mar 2026 1:50 AM
PEAK BLOOM - Cherry Blossoms Emerge at the National Mall

PEAK BLOOM - Cherry Blossoms Emerge at the National Mall

Top Image Credit: National Parks ServiceSprin

29 Mar 2026 1:00 AM
Pineapple Express Delivers Another Round of Rain

Pineapple Express Delivers Another Round of Rain

Heavy rainfall from moisture that inundated t

24 Mar 2026 9:45 AM