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Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

Hot and humid conditions continue today, with heat index readings peaking between 95 and 105 degrees in the afternoon. This persistent heat to bring an elevated risk of heat illnesses and a heat advisory has been issued on Saturday for southeast IA, northeast MO, and west central IL, now including the Quad Cities metro area.
Here are the forecast heat index during the afternoon and evening hours on Saturday. Heat index values in the middle 90s to low 100s will be expected. Remember to practice heat safety Today!
A cold front dropping south on today to bring a risk of scattered showers and thunderstorms mainly in the afternoon and early evening hours. The highest coverage of storms is forecast south of Interstate 80, between 3-7pm, with gusty winds, heavy rain, and frequent lightning the primary threats.
Monday looks to be another hot and humid day, with potential heat index values over 100 degrees possible. A cold front arriving in the afternoon and evening, is expected to bring a round of strong to severe storms.