Updraft® - Minnesota Weather News

Dry Labor Day weekend in many areas; Warmest meteorological summer

Temps rebound Saturday afternoon

Meteorological summer, which consists of our three warmest months (June, July and August), has ended.

Official Twin Cities temperature records are tallied at Minneapolis-St. Paul International Airport. Summer 2021 temperature data reveals that we just completed our warmest meteorological summer in Twin Cities weather records:

Summer average temperatures for the Twin Cities
2021 summer average temperatures for the Twin Cities.
Twin Cities National Weather Service

Our average summer temperature (which is the average of all the daily low temps and high temps) was three-tenths of a degree warmer in 2021 than it was during our meteorological summer of 1988.

A closer look reveals that the average of our summer 2021 high temps in the Twin Cities ranked 5th warmest:

Summer average high temperatures for the Twin Cities
Summer 2021 average high temperatures for the Twin Cities.
Twin Cities National Weather Service

But our summer 2021 low temps were the warmest in Twin Cities weather records:

Summer 2021 average minimum temperatures for the Twin Cities
Summer 2021 average minimum temperatures for the Twin Cities.
Twin Cities National Weather Service

Combining the highs and lows, summer 2021 was our warmest meteorological summer on record in the Twin Cities.

Several other spots in Minnesota also saw their warmest summer:

Labor Day weekend shower chance?

Many areas will have a dry Labor Day weekend.

There have been some very scattered Saturday morning showers in northeastern Minnesota. Additional scattered showers and an isolated thunderstorm will be possible in north-central and northeastern Minnesota, plus parts of northwestern Wisconsin, later Saturday afternoon and Saturday evening. A stray shower could also develop in central Minnesota.

You can hear updated weather information for Minnesota and western Wisconsin on the Minnesota Public Radio network, and you can see updated weather info on the MPR News live weather blog.

Scattered showers and an isolated thunderstorm could develop in northeastern Minnesota and northwestern Wisconsin Sunday afternoon and evening. Much of Labor Day will be dry, but some forecast models show areas of showers and thunderstorms in Minnesota and western Wisconsin Monday evening and overnight Monday night.

Temperature trends

Saturday highs will be mainly in the 70s in Minnesota and western Wisconsin. Our average Twin Cities metro area high is 77 degrees this time of year, and some spots in the metro area could touch 77 Saturday afternoon.

Sunday highs will in the 60s in roughly the northern third of Minnesota, with 70s elsewhere:

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Sunday forecast highs
National Weather Service

Sunday dew points will be in the comfortable 40s and 50s:

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Sunday 1 p.m. forecast dew points
National Weather Service

Labor Day high temps reach the 80s in west-central and southwestern Minnesota, with mainly 70s elsewhere:

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Monday forecast highs
National Weather Service

There could be some 60s in Cook County of northeastern Minnesota.

Monday dew points will be in the comfortable 40s and 50s:

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Monday 1 p.m. forecast dew points
National Weather Service

Back to high temperatures, Twin Cities metro area highs are projected to reach the mid 70s Tuesday, Wednesday and Thursday, followed by upper 70s on Friday.

Programming note

You can hear my live weather updates on MPR News at 7:35 a.m., 9:35 a.m. and 4:39 p.m. each Saturday and Sunday.