First Alert Day from 11 a.m. until 8 p.m. Saturday for extreme heat, possible severe storms

Triple digit heat indexes likely
Published: Jul. 20, 2022 at 7:51 PM CDT|Updated: Jul. 23, 2022 at 5:47 PM CDT
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DAVENPORT, Iowa (KWQC) - A First Alert Day will be in effect Saturday as we get a potentially dangerous combination of heat and humidity. With high temperatures in the mid 90s and dew points in the 70s the resulting heat indexes will top off near 105. Isolated spots could see heat indexes nearing 110 this afternoon. A Heat Advisory will be in effect from 12 p.m. to 8 p.m. because of the excessive heat in most of the viewing area.

The heat advisory begins at noon for the viewing area.
The heat advisory begins at noon for the viewing area.(kwqc)

An outflow boundary remains from the morning round of storms and will act as a focal point for isolated storms this afternoon east of the Mississippi. Another line of storms is currently to our NW and slowly moving towards our northernmost counties over the next few hours. Areas north of highway 30 have the best chance for that line to impact them by 6PM. More storms may develop after the sun sets and some may be severe. While confidence isn’t high in the last scenario, it will need to be watched as it could impact the entire area. Otherwise we all wait for the cold front to sweep through allowing for cooler temps for Sunday and into next week.

Damaging winds and hail will be the primary threats Saturday night.
Damaging winds and hail will be the primary threats Saturday night.(kwqc)

FIRST ALERT DAYS are issued to inform you of inconvenient, hazardous, or potentially dangerous weather in our viewing area--weather that could impact you and your family. Look for frequent updates on air, online, on our social media platforms and on the QC Weather App.

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