Air quality alert in effect Sunday for Twin Cities as humidity increases; chance of storms later

Sunday will start with clear skies and high pressure. 

An air quality alert will be in effect for sensitive groups through 11 p.m. Sunday for the metro and most of Minnesota.

Highs will also be in the upper 80s with increasing humidity. 

Storms in southern Minnesota will move north later in the evening. Flash flooding is the only real threat.

Storm chances continue into Monday afternoon. Temperatures will be in the low 80s with heat indices in the mid 80s. 

Tuesday will be hot and humid with feels-like temperatures in the mid 90s. More storms are possible Tuesday night.

A front will bring more storms Wednesday, with cooler, more seasonable air to follow. There is potential for severe weather in the evening.

Rain will linger into Thursday, with cooler highs in the 70s and less humidity.

It will be dry heading into next weekend with highs around 80.