Iowa Storm Chasing Network

09/08/2026

⚠️ SEVERE WEATHER POSSIBLE TUESDAY ⚠️

The Storm Prediction Center has placed much of Iowa in a Marginal Risk (Level 1 of 5) for severe thunderstorms Tuesday.

A slow-moving cold front will push southeast across Iowa during the day, with thunderstorms developing along and ahead of it. The severe weather threat is expected to gradually increase into Tuesday afternoon and evening, especially across portions of Iowa and eastern Nebraska.

Damaging wind gusts will be the primary severe weather concern, although a few storms could initially produce isolated large hail. Storms may eventually organize into lines or clusters Tuesday evening.

Heavy rainfall may also become a concern. With abundant moisture available, widespread rainfall amounts of 1–2 inches are possible in some areas, with isolated amounts of 3–4 inches where storms repeatedly track over the same locations.

The overall severe threat remains on the lower end, but we'll be watching how the atmosphere evolves Tuesday and will provide updates if the threat increases.

📱 Stay weather-aware and have multiple ways to receive warnings!

09/06/2026

Check out this shelf cloud rolling into the Des Moines metro. If you have a photo from today’s weather, post it in the comments section below.

09/06/2026

⚠️ SEVERE THUNDERSTORM WATCH ⚠️

A Severe Thunderstorm Watch has been issued for portions of southwest into central Iowa until 10:00 PM tonight.

⛈️ PRIMARY THREATS:
💨 Damaging wind gusts up to 70 MPH
🧊 Large hail up to 1.5 inches in diameter

Scattered thunderstorms will continue to develop into the evening, with the greatest concern being damaging wind gusts of 60–70 MPH along with isolated large hail.

A Severe Thunderstorm Watch means conditions are favorable for severe storms. Stay weather aware this evening and be prepared to seek shelter if a warning is issued for your location.

📲 We’ll continue to provide updates as storms develop across Iowa.

09/06/2026

The Weather Prediction Center has added a moderate risk (red shaded area) of excessive rainfall for portions of western Iowa. Rainfall rates could reach 2–2.5 inches per hour, with localized totals potentially exceeding 5 inches where storms repeatedly track over the same areas.

⚠️ MODERATE RISK ADDED: A Moderate Risk (Level 3 of 4) for excessive rainfall has been added for portions of western Iowa this afternoon and tonight.

Thunderstorms capable of producing very heavy rainfall are expected to develop across the region. Rainfall rates could reach 2–2.5 inches per hour, with localized totals potentially exceeding 5 inches where storms repeatedly track over the same areas.

This could lead to significant flash flooding, especially in low-lying, poor-drainage and flood-prone areas.

Stay weather aware through tonight, and never attempt to drive across a flooded roadway. Turn around, don’t drown!

We’ll continue to provide updates as storms develop and the flooding threat evolves.

09/06/2026

There are already a couple of flash flood warnings in effect already as of noon Sunday in NW Iowa. Just north of Emmetsburg, Iowa, 2 to 5 inches of rain has already fallen with more rainfall on the way. A flood watch remains in effect until 10PM this evening in northwest Iowa.

09/06/2026

A flood watch has been issued until 10PM this evening (Sunday) for portions of northwest Iowa.

Slow moving thunderstorms are possible throughout the day today. These storms could produce high rainfall rates, which could lead to flash flooding. A flash flood watch means "be prepared", and make sure you are able to receive any warnings if they are issued.

09/06/2026

⚠️ MODERATE RISK ADDED: A Moderate Risk (Level 3 of 4) for excessive rainfall has been added for portions of western Iowa this afternoon and tonight.

Thunderstorms capable of producing very heavy rainfall are expected to develop across the region. Rainfall rates could reach 2–2.5 inches per hour, with localized totals potentially exceeding 5 inches where storms repeatedly track over the same areas.

This could lead to significant flash flooding, especially in low-lying, poor-drainage and flood-prone areas.

Stay weather aware through tonight, and never attempt to drive across a flooded roadway. Turn around, don’t drown!

We’ll continue to provide updates as storms develop and the flooding threat evolves.

09/06/2026

🥳 FINALLY! For the first time since Monday, there are NO active Heat Advisories or Extreme Heat Warnings anywhere in Iowa as of Saturday evening!

09/05/2026

Here’s another view of the shelf cloud that rolled through Saturday morning in northwest Iowa. This was filmed in Southern Hamilton County. Thanks to Deb O’Brien for sharing this video with us!

09/05/2026

Thank you to Lexie Lorraine Struck for sharing this photo of a shelf cloud rolling through Rolfe, Iowa Saturday morning.