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Arizona Monsoon and Severe Thunderstorm Forecast: What to Expect

10 months agoUS
Arizona Monsoon and Severe Thunderstorm Forecast: What to ExpectSource: signalsaz.com
Arizona's monsoon season has been somewhat subdued this year, but changes are on the horizon. This article examines recent weather patterns and provides a forecast for severe thunderstorms across southeastern Arizona.

Key Insights

A strong trough over the West Coast has kept Arizona under dry southwesterly winds, pushing monsoon moisture eastward.

Fire season has returned across northern and western Arizona due to the lack of rain and drying fuels.

Arizona Weather Force issued a Severe Thunderstorm Watch for eastern Pima County, Santa Cruz, and Cochise County on August 9, 2025.

High instability is expected to bring strong storms with damaging winds (over 50 mph) and large hail to southeastern Arizona, particularly the Sierra Vista and Tucson areas.

A ridge building in August is expected to bring a return to rain and thunderstorms after August 10th, lasting through mid-August.

Why this matters: Staying informed about these weather patterns helps residents prepare for potential hazards like flash floods, dust storms, and wildfires. Understanding the monsoon's behavior also affects water management and agricultural planning.

In-Depth Analysis

The Arizona monsoon is a seasonal shift in wind patterns that brings increased moisture and thunderstorms to the state. This year, a persistent trough over the West Coast has disrupted the typical monsoon flow, leading to drier conditions in many areas. The US National Weather Service in Flagstaff notes that these conditions resemble late June, increasing the risk of wildfires.

However, Arizona Weather Force anticipates a change, forecasting a return to more typical monsoon conditions after August 10th. Their Severe Thunderstorm Watch highlights the potential for strong storms in southeastern Arizona, with possible dust storms and damaging winds. The forecast zones include Eastern Pima County, Santa Cruz, and Cochise County.

Extended Forecasts:

Prescott Valley: Highs in the upper 90s, with a 10% chance of precipitation on Friday and 30% on Saturday.

Cottonwood: Highs near 110, with a slight chance of precipitation on Friday and Saturday.

Sedona: Highs in the low 100s, with a slight chance of precipitation on Friday and Saturday.

Flagstaff: Highs in the upper 80s, with a 10-30% chance of precipitation throughout the week.

FAQs

Q: What is causing the weak monsoon season in Arizona?

A strong and persistent trough over the West Coast is keeping Arizona under dry southwesterly winds.

Q: Where are severe thunderstorms expected?

Southeastern Arizona, including Eastern Pima County, Santa Cruz, and Cochise County, is under a Severe Thunderstorm Watch.

Q: When is the monsoon expected to return?

A return to a more typical monsoon pattern is expected after August 10th and continue through mid-August.

Key Takeaways

The Arizona monsoon has been delayed, leading to increased fire risk.

Severe thunderstorms are possible in southeastern Arizona, bringing potential hazards.

Monitor weather forecasts and be prepared for flash floods, dust storms, and damaging winds.

The monsoon pattern is expected to return after August 10th, bringing increased rain and thunderstorms.

Discussion

Do you think the monsoon will return as predicted? Share your thoughts in the comments!

Share this article with others who need to stay ahead of this trend!

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