Weather service increases severe storm threat Tuesday in Minnesota

The severe risk has been increased from marginal to slight.
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It's setting up to be a warm and muggy Tuesday with a threat for storms that pack a punch late in the day across parts of Minnesota. 

The Storm Prediction Center (SPC) out of Norman, Oklahoma, has placed nearly all of Minnesota in a slight risk for severe storms, with the main threats being damaging wind and hail. 

"Storms may eventually evolve into clusters and line segments during the evening before weakening overnight," the SPC says, which had all of Minnesota in a marginal threat before increasing it to a slight risk. The risk could change again with future forecast updates from the SPC. 


Current thinking from the Twin Cities office of the National Weather Service (NWS) is that a line of storms will move through central Minnesota Tuesday afternoon, followed by another line of storms along a cold front later in the day into the overnight hours. Storms are expected to pulse up – possibly reaching severe limits – and then fade. 

That said, if all of the ingredients come into place, there could be an extended damaging wind threat along a more organized line of storms. We'll have to wait and see what happens. 

The NAM 3KM model's simulated future radar (may not load in all browsers) shows storms diving from north to south during the midday – the loop starts at 10 a.m. Tuesday – with another line developing behind it. 


The high in the Twin Cities Tuesday should reach about 85 degrees, with more 80s the rest of the week before chances of rain return for the weekend. 

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