80s Tuesday across southern Minnesota; 90 possible in the west
Rain looks increasingly likely heading into the weekend
It will be a very warm couple of days Tuesday and Wednesday with highs running 10 to as much as 20 degrees above normal. Rain continues to look hopeful for the weekend.
Very warm midweek
It’ll be downright hot by late September standards in western Minnesota Tuesday afternoon. Some spots could hit 90 degrees while most of southern Minnesota reaches at least the low 80s.
The warmth shifts east some Wednesday giving places like the Twin Cities our warmest readings of the week, in the mid-80s.
We’ll continue to see low 80s south on Thursday but as a weekend storm system approaches and clouds increase, we’ll cool off some Friday into the weekend.
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Rainy weekend pattern potentially
An upper-level trough and low in the west will slowly be pushing east toward the end of the week, pushing our heat away and creating chances for rainfall. It could develop into a “cut-off” or closed off upper-low which, would make for a slowly moving system.
The official forecast from the National Oceanic and Atmospheric Administration’s Weather Prediction Center calls for a widespread 1 to 2 inches over the course of several days.
However there’s a wide range of possible rainfall amounts among the computer models.
Given that we’re in a prolonged drought, a healthy dose of skepticism is valid still until the evolution of this system becomes more clear.