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Frost advisory means time to cover sensitive plants or bring them inside

A frost advisory is in effect from 2 a.m. to 9 a.m. Tuesday, Sept. 27, with widespread freezing temperatures forecast Tuesday and Wednesday in central and northern Minnesota.

Map of temperatures in weather service frost advisory
A frost advisory is in effect from 2 a.m. to 9 a.m. Tuesday with widespread freezing temperatures forecast in central and northern Minnesota.
Contributed / National Weather Service - Duluth
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Overnight temperatures are about to take a plunge as the National Weather Service in Duluth noted frost is expected Tuesday, Sept. 27, and Wednesday mornings.

A frost advisory is in effect 2-9 a.m. Tuesday with widespread freezing temperatures forecast in central and northern Minnesota. The weather service noted temperatures as low as 33 degrees will result in frost formation. For gardeners, it’s time to pick the peppers and the tomatoes and what is likely the last of the cucumbers for this growing season.

Sensitive plants will need to be moved inside or covered to enjoy them later. The weather service also noted it is a good time to disconnect garden hoses and drain sprinkler systems and it’s time to bundle up for the morning and make sure children have warmer clothes for the wait at the bus stop.

The seasons are changing.

The frost advisory comes after a windy Sunday. A northwest wind was regularly in the upper teens for wind speed throughout the day with gusts as high as 38 mph recorded Sunday afternoon at the Brainerd Lakes Regional Airport.

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Attention teachers: Don't forget to submit your students' weather drawings to the Brainerd Dispatch, P.O. Box 974, Brainerd, MN 56401
Attention teachers: Don't forget to submit your students' weather drawings to the Brainerd Dispatch, P.O. Box 974, Brainerd, MN 56401
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Attention teachers: Don't forget to submit your students' weather drawings to the Brainerd Dispatch, P.O. Box 974, Brainerd, MN 56401
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Attention teachers: Don't forget to submit your students' weather drawings to the Brainerd Dispatch, P.O. Box 974, Brainerd, MN 56401
Attention teachers: Don't forget to submit your students' weather drawings to the Brainerd Dispatch, P.O. Box 974, Brainerd, MN 56401
But the near-record is mostly a feature of timing and location

Overnight temperatures have been in the 50s and 60s in recent days, with the exception of a drop into the mid- to upper-40s early Monday morning as a precursor of things to come. While southern and eastern Crow Wing County may avoid a killing frost Tuesday, temperatures are expected to be even lower Wednesday morning, potentially dropping to 34 degrees and cold enough to kill sensitive plants.

It is likely to be even colder in far western Crow Wing County, much of the northern two-thirds of Cass County, northern Wadena County and nearly all of Aitkin County, where temperatures may drop to 32 degrees Tuesday and fall even colder for a possible 29 degrees by Wednesday morning.

After this dip into the cold, temperatures will moderate with highs expected to reach 70 degrees on a sunny Friday and stay in the 40s overnight for the remainder of the week. There is no doubt temperatures are reflecting the shift to autumn with weekend highs forecast to be in the upper 60s.

There is a slight chance of showers Friday night and Saturday and Sunday. A high of 65 degrees is normal for this time of year. Temperatures, while lower than the normal of 43 degrees, aren’t likely to break into the record books. A high of 84 degrees was recorded on Sept. 27, 1952, with a record low of 24 degrees recorded on Sept. 27, 1985. The temperature records for Sept. 28 include a high of 89 degrees in 1956 and a chilly low of 19 degrees in 1942.

Related Topics: WEATHER
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Hi, I'm the Brainerd Dispatch. I started working a few days before Christmas in 1881 and became a daily paper two years later. I've gone through a lot of changes over the years, but what has never changed is my commitment to community and to local journalism. I've got an entire team of dedicated people who work night and day to make sure I go out every morning, whether in print, as an e-edition, via an app or with additional information at www.brainerddispatch.com. News, weather, sports — videos, photos, podcasts and social media — all covering stories from central Minnesota about your neighbors, your lakes, your communities, your challenges and your opportunities. It's all part of the effort to keep people connected and informed. And we couldn't do it without support.
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