Severe Storms, Dangerous Heat, and Wildfire Smoke Make Monday a Rough Day in the Quad Cities

Smoke from the ongoing Canadian wildfires continues to drift into eastern Iowa and western Illinois, prompting an Air Quality Alert across much of the Quad Cities area through Monday. While the smoke is expected to gradually improve during the day, Monday is shaping up to be one of the most uncomfortable weather days we've had this summer thanks to a combination of heat, humidity, and the potential for severe storms later in the evening.

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Why Is It So Hazy?

The hazy skies are being caused by wildfire smoke traveling hundreds of miles from active fires burning in Canada. Air quality monitors around Davenport, Clinton, Muscatine, and surrounding communities have detected elevated levels of fine particulate matter, which can be unhealthy, especially for children, older adults, pregnant women, people with heart or lung conditions, and anyone spending long periods working outside.

Officials recommend:

• Limiting prolonged outdoor activity if possible.
• Take frequent breaks if you work outside.
• Keep windows closed if smoke becomes noticeable.
• Monitor anyone with asthma or other respiratory conditions closely.

Monday Will Feel Like Triple Digits

Even if the thermometer only reaches around 92 degrees, it won't feel that way.

High humidity will push heat index values into the 95 to 105-degree range, making it dangerous to spend extended time outdoors. A Heat Advisory has been issued for parts of southeast Iowa and west-central Illinois, including Des Moines, Henry, Louisa, and Henderson counties.

Storms Could Turn Severe Monday Night

A cold front moving into the Quad Cities Monday evening is expected to trigger thunderstorms, and some could become severe as they move through the area overnight.

Forecasters say the greatest threats include:

• Damaging wind gusts between 60 and 75 mph
• Large hail
• A brief tornado threat as storms first develop

The Storm Prediction Center has placed much of eastern Iowa and northwest Illinois under a Level 2 to Level 3 severe weather risk, meaning scattered severe storms are possible.

The Good News? Relief Is Coming.

Once the cold front moves through, Tuesday will feel much more comfortable.

Highs will settle back into the low to mid-80s, humidity will drop significantly, and the smoky conditions should continue improving. The pleasant weather is expected to stick around through the middle of the week before muggy air begins returning ahead of Bix 7 weekend.