St. Louis Faces Severe Thunderstorm Risk Following Flood Watch Cancellation

James

3 min read

Post on Aug 12, 2025

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St. Louis Dodges Flood, Now Faces Severe Thunderstorm Risk

St. Louis residents breathed a collective sigh of relief as the National Weather Service (NWS) cancelled a previously issued flood watch, but the reprieve is short-lived. The region now faces a significant risk of severe thunderstorms, prompting warnings from local authorities and meteorologists. The rapid shift from flood threat to severe weather underscores the unpredictable nature of the current weather patterns affecting the Midwest.

The cancelled flood watch, which was in effect for much of the region, followed days of heavy rainfall. While the immediate flood threat has subsided, saturated ground conditions remain a concern, increasing the potential for flash flooding if intense rainfall occurs during the expected thunderstorms. This saturated ground is a key factor contributing to the heightened risk of severe weather.

Severe Thunderstorm Watch Issued:

The NWS has issued a severe thunderstorm watch for the St. Louis metropolitan area and surrounding counties. This means conditions are favorable for the development of severe thunderstorms capable of producing damaging winds, large hail, and even tornadoes. Residents are urged to stay informed and monitor weather updates closely.

What to Expect:

The anticipated severe thunderstorms are expected to bring:

• Damaging Winds: Gusts exceeding 60 mph are possible, capable of downing trees and power lines.
• Large Hail: Hailstones the size of golf balls or larger are a distinct possibility.
• Heavy Rainfall: While the flood threat is reduced compared to earlier this week, intense rainfall during the thunderstorms could still lead to localized flash flooding in low-lying areas.
• Potential for Tornadoes: Although not guaranteed, the possibility of tornadoes cannot be ruled out.

Safety Precautions:

With the severe thunderstorm risk elevated, residents are advised to take the following precautions:

• Stay Informed: Monitor weather reports from reliable sources like the NWS and local news channels. Download a weather app and enable alerts.
• Develop a Safety Plan: Know where to go in your home during a severe thunderstorm or tornado warning. Designate a safe room or basement.
• Secure Loose Objects: Bring outdoor furniture and other loose objects inside to prevent damage.
• Charge Devices: Ensure your cell phone and other electronic devices are fully charged.
• Be Prepared for Power Outages: Stock up on flashlights, batteries, and any necessary medications.
• Know the Signs of a Tornado: Be aware of the warning signs and seek shelter immediately if a tornado warning is issued for your area.

Impact on Transportation and Infrastructure:

The severe weather could significantly impact transportation, with potential delays and cancellations of flights and public transportation. Power outages are also a strong possibility, potentially impacting traffic signals and other infrastructure. Drivers should exercise caution and avoid unnecessary travel during the height of the storm.

Looking Ahead:

While the immediate flood threat has diminished, the severe thunderstorm risk highlights the need for constant vigilance and preparedness during periods of unpredictable weather. The NWS will continue to monitor the situation and issue updates as necessary. Stay safe, St. Louis!

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