Coolest air mass in 4 months ahead; frost possible up north
Spotty showers possible into Monday evening
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‘Tis the season.
The coolest air mass in about four months is oozing southward into Minnesota.
Temperatures are still hovering in the 50s and 60s in northern Minnesota Monday afternoon.
The approaching cool front is producing scattered rain showers across northern and central Minnesota. A few spotty showers may drift into the greater Twin Cities area late Monday afternoon into Monday evening.
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The National Oceanic and Atmospheric Administration’s NAM 3 km model shows spotty showers drifting southeast. The forecast model loop below runs between 4 p.m. and 10 p.m. Monday.
Coolest air mass in 4 months
Chilly Canadian air is drifting south. Highs on Tuesday will be in the chilly 60s across most of Minnesota.
The coldest night this week will be Tuesday night into Wednesday morning. Lows in the 40s are likely in the Twin Cities, with 30s up north. If the Twin Cities reaches 47 degrees Wednesday morning it will be the coldest temperatures since May 20 when Minneapolis-St. Paul International Airport hit 44 degrees.
Temperatures begin to moderate Wednesday. Highs will be near 70 in the Twin Cities, but check out the warmth building to the west.
By Thursday, 80s will return to southwestern Minnesota. Highs in the upper 70s will push as far east as the Twin Cities area.
Unfortunately, there is no significant rainfall in the forecast models into next week. This week’s drought monitor will show Minnesota descending even deeper into drought.