Moist Air vs. Dry Air

An area of high pressure over southeastern Wisconsin—providing partly cloudy and dry conditions across the Stateline Saturday night—will drift east into lower Michigan on Sunday.  This will set the stage for a battle of dry air versus moist air on Sunday.  A warm front lifting north through Iowa will allow for scattered showers and a few thunderstorms to develop across parts of the Great Plains Saturday night. 

 

The Setup

The Setup

As the showery and thundery weather pushes east overnight, it will encounter our dry air which will erode much of the moisture from the atmosphere.  However, a few leftover showers are possible on Sunday, with the best chance in far northwestern Illinois and southwestern Wisconsin.  A mostly cloudy sky will take us through the day; however, the majority of the cloudiness will be along and north of the Stateline.  A partly cloudy sky is likely at times, especially for our southern counties.  Highs will climb into the upper 70s; low 80s are likely with more sunshine along the Interstate 88 corridor.

FutureTrack 9pm Sunday

FutureTrack 9pm Sunday

FutureTrack 5am Monday

FutureTrack 5am Monday

 As this system moves east, scattered showers and thunderstorms are a good bet Sunday night through early Monday morning.  Rainfall totals will be the highest along and north of the Illinois-Wisconsin border.

-Joe

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Posted under Exactrack|HD, weather

This post was written by qni_it on August 10, 2013

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