Some storms could pack a punch Tuesday, but a strong cold front will deliver significantly cooler air and a chance for snowflakes and frost.

September always brings the end of summer, but this September will usher in a serious blast of fall and even a taste of winter to Minnesota. That's right, after some isolated thunderstorms in parts of the state Monday and Tuesday, there could be snowflakes flying in northern Minnesota Wednesday night through the weekend.

A push of cold air will follow a strong clipper-type system and keep high temps in the 50s and 60s, with lows dropping into the 40s and 30s for several days beginning Wednesday night.

According to the National Weather Service in Duluth, frost will be possible Wednesday night with lows in the 30s. It'll stay cool Thursday and Friday with highs only reaching the upper 40s to around 60 degrees. Frost will be possible again Thursday night.

"Lows Wednesday night will be in the middle 30s in the Arrowhead to around 40 in central Minnesota," the NWS Duluth says. "There may be a few snowflakes in the air Wednesday night as temps continue to fall."

Any rain showers that persist overnight Thursday into Friday would mix with snow, and the NWS Duluth says "conditions will be similar Friday and Saturday.

Accumulation snow? Sorry, snow lovers. That's not in the forecast.

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Isolated severe storms Tuesday

"A few storms may be strong to severe in central Minnesota. Large hail to ping pong ball size and wind gusts of 40 to 60 mph are possible with the strongest storms," says the National Weather Service in Duluth.

The National Weather Service in the Twin Cities says widespread storms will fire along a strong cold front Tuesday afternoon, bringing a threat for isolated strong wind gusts.

It doesn't look like significant severe weather will occur, but some storms could pack a punch. That's why NOAA's Storm Prediction Center has placed a good chunk of Minnesota in a level 1 of 5 marginal risk for severe storms.