By Brett Rathbun, AccuWeather.com Meteorologist
May 14,2016; 12:48AM,EDT
Residents will reach for their heavy jackets as brisk, chilly air sweeps across the midwestern and northeastern United States this weekend.
This shot of cool air will follow a round of showers and thunderstorms marching eastward.
Highs this time of year are typically in the 60s F from the Upper Midwest to New England and the 70s from the central Plains to the mid-Atlantic. On the coldest day this weekend, highs will be 15 to 20 degrees below average.
Windy conditions will accompany the chill and make it feel 5 to 10 degrees colder than the actual temperature.
Anyone going to a local park or attending a baseball game will want to bundle up.
On Friday, temperatures only reached the 40s across portions of North Dakota and northern Minnesota.
Temperatures will be low enough to challenge record lows across parts of the Midwest, including Minneapolis as well as Grand Forks, North Dakota, by Saturday morning.
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AccuWeather 2016 US summer forecast
The chill will dominate the Midwest on Saturday before reaching the East Coast by Sunday.
Temperatures may fail to get out of the 50s from Boston to New York City, Philadelphia and Pittsburgh on Sunday.
There could be enough cold air in the mid-levels of the atmosphere to develop bands of lake-effect rain showers downwind of the Great Lakes this weekend.
It is not out of the question for some locations across the upper Great Lakes and higher elevations of New York and New England to have a few wet snowflakes mixing in, mainly during the overnight.
"It's not unprecedented to get some snow in the lower 48 east of the Mississippi River during the month of May, but it is most certainly unusual," AccuWeather Senior Meteorologist Matt Rinde said.
"The coldest night across the Midwest and upper Great Lakes will be on Saturday night," AccuWeather Meteorologist Dan Pydynowski said.
The coldest air will settle over the Northeast from Sunday to Monday.
"Snowflakes are possible over the Adirondacks of New York later Sunday and Sunday night," Rinde said.
There is a risk of a frost and freeze Sunday night and Monday over the interior Northeast. However, a breeze and/or patchy clouds could limit the temperature drop in some locations.
Regardless, any plants, fruits or vegetables planted outside should be covered this weekend as a precaution.
Those that have yet to plant any sensitive crops or plants may want to wait until after this weekend before doing so.
Grape
vines were experiencing bud break near the shores of Seneca Lake, New
York, on Wednesday, May 11, 2016. Vineyards in the Finger Lakes and
other areas may need to take frost-preventative measures early next
week. (Photo by Timothy Merwarth/Wiemer Vineyard)Some chill will be felt as far south as the central Plains and Carolinas.
The brunt of the chill will last for only one or two days before milder conditions return for early next week ahead of the next storm system.
"Overall for the Upper Midwest and Northeast, temperatures during the second half of May will average 10 degrees higher or more, when compared to the first half of May," according to AccuWeather Senior Meteorologist Alex Sosnowski. "That should put a smile on many people's faces."
Scott M Koenig ·
May
is usually nice but this cold is bizarre wont be shocked
if Memorial day in New York city metro area will have highs
below 60 and lows about 45 Example Memorial day weekend 1992
Friday was 97 Saturday 94 Sunday was about 90 before cold front
came woke up about 5 Memorial day morning it was 38 drizzle n
fog I went to Cranford NJ Memorial day parade at 9 Am it
was 42 drizzle n fog most of Memorial day overcast drizzle
it only might be about 53 for high
1
Molly Miller
I
love Elliott Abrahms. No matter how miserable the forecast, he makes it
tolerable. "Whether a friend be you, Or a foe be you." That was in
reference to Friday the 13th, I think. 'Never heard that before....
Michael Helfinger ·
The
couple of brief warmups we've had in the GL in April-May have been
snuffed out here in Toronto by afternoon easterly breezes off Lake
Ontario. We really need a sustained strong southwesterly flow to catch
any kind of a break here in TO.
Cory Morrison ·
Works at Fortinos
Yesterday was quite warm in Toronto, but much warmer inland (24C in Hamilton and 27C in Ottawa).
Thomas Emmert ·
Like I keep saying, 2016 : the year with no summer.
Christopher Ebie ·
I do wonder if reduced solar activity will begin to influence temperatures.
Aaron Ginther ·
If
there's any good news for those hoping for a good old fashioned hot
summer: El Nino is virtually gone, with the latest Nino 3.4 index coming
in at +0.6C. Once this value goes below +0.5C, we are now in ENSO
neutral. We'll probably be at ENSO neutral by the end of the month, and
La Nina will likely develop this summer. NOAA now gives La Nina a 76%
chance by fall 2016. However, the potential strength of La Nina is still
unknown.
John Connors ·
REALLY BUNDLE UP WHAT IS THIS POLAR VORTEX till Mid June!!!!!!!!!!!!!!!!!
Cory Morrison ·
Works at Fortinos
If there is snow in the GTA this weekend, it may be the latest final snow of the season since 2002.
Neven Prvinic ·
Did you say snow?? tell me how you didn't!
Aaron Ginther ·
Trust
me when I say, that is NEVER going to happen here. With records going
back to the late 1800s, the latest we've had measurable snow in my area
is April 28th. It might have possibly snowed in May about 200 years ago.
But I can't speak for that time period.
1.) The May sun is far too strong.
2.) Normals are too warm, so any cold snap likely wouldn't come to that magnitude this late in the year.
3.) Days are long, and nights grow progressively shorter. Temperatures can't fall but so low during the night, especially with increased moisture in the air vs. earlier in the year.
1.) The May sun is far too strong.
2.) Normals are too warm, so any cold snap likely wouldn't come to that magnitude this late in the year.
3.) Days are long, and nights grow progressively shorter. Temperatures can't fall but so low during the night, especially with increased moisture in the air vs. earlier in the year.
Cory Morrison ·
Works at Fortinos
Aaron Ginther I trust you. I was talking about Southern Ontario.
Cory Morrison ·
Works at Fortinos
Neven Prvinic I wish I could take out the now and replace it with un.
David Gerard Turco ·
Another
cold spring. Most of the trees are still not out completely, the New
England peach crop is rated 90%+ failure, reduced apple crop and now
were talking frost and snowflakes in mid May - charming.
Cory Morrison ·
Works at Fortinos
Only acceptable if this means June-like temps in mid-November 2016.
Grant McGuire ·
The fact that we're even mentioning words like "snow" & "frost" in mid-May is absurd. Memorial Day Weekend is 2 weeks away!
Doug Olenick ·
Grant
McGuire Depending upon where you live it's not absurd at all. Snow in
April and early May was common enough in northern NY when I lived there.
Neven Prvinic ·
Doug
Olenick we are not supposed to get any of that in Cleveland OH, but
areas pretty close to me might. Given that the latest snow ever was on
May 6 1974 in my area, and here we are talking about May 15, i would say
it is absurd.
Grant McGuire ·
Doug
Olenick Considering our average high/low is 71/51, frost & snow
should not even be in consideration this time of year. We won't have
snow here, but frost is possible
Neven Prvinic ·
True!
Our normal on Sunday is 70/51, so we should not even consider snow or
frost eithef. Its like talking about it on the last day of September,
very wierd.
Aaron Ginther ·
Here
it's 75/52 on Sunday. My forecast low is 38F on Sunday night. I have
even seen some model outputs spit out numbers as low as 34 or 35 in the
piedmont of VA. I have to go back to 2002 (14 years ago) to find the
last time we've had an overnight low that cold this late. If it were the
beginning of May, it would be no biggie. But 30's on the morning of May
16th? That's a record.
May is a warm month.
May is a warm month.
Cory Morrison ·
Works at Fortinos
Aaron Ginther lows could be at freezing early Monday up here.
Bruce Cunningham ·
The forcast doesn't matter NOAA has already pre-determind May is the hottest month ever!
Greg Sorensen
Hey Al Gore, why don't you give another speech and maybe some of your hot air will help warm up the northeast.
Ben Beach ·
Algore, inventing nonsense since 1988.
James B. Herrick ·
One would think that someone who follows this site would by now understand the distinction between weather and climate.
Michael Helfinger ·
Global
warming has been muted around the Great Lakes and Northeast. Here in
Southern Ontario the 1981-2010 averages are almost dead on the 1931-60
normals. We've just caught up after the Little Ice Age of the 1970s.
Eric Westberg ·
These
late season cold snaps here in Iowa seem to be getting later and later
in the season over the past 10 years. I shouldn't be worrying about my
tomatoes getting smoked by frost in the middle of May!
Cory Morrison ·
Works at Fortinos
Here
farther east in the GTA, this is the first legit cold May since 2008,
so many of us in the area are especially not used to seeing this type of
cold so late in the season.
William Smith ·
Works at South Park
It's
the coming ice age that the now global warming/climate change alarmists
warned about back in the 1960's and 1970's. Maybe they'll switch back
to global cooling now.
Eric Westberg ·
Cory
Morrison Every spring as a whole has not necessarily been abnormally
cold. We've just been getting short lived cold snaps later in the
spring season than is typical. Most farmers planted their corn 3 weeks
ago and the fields have all sprouted. We are a week past the date that
is supposed to be safe to plant your tender vegetables in my area. Our
local Mets are forecasting 36 for my area tonight so fingers crossed
that it doesn't go below that and the wind stays up to prevent frost
formation.
Cory Morrison ·
Works at Fortinos
Eric Westberg here we missed out on much of May 2015's cold due to southeast ridging.
Also, this weekend could have the most significant cold so late in the season since 2002 here.
Also, this weekend could have the most significant cold so late in the season since 2002 here.
Robert Sohm ·
Please refrain this overuse of adjectives and lessen the hype
Zack Hodgson ·
This
better be the last cool shot and the heat needs to come on strong. Cool
air has no business in the lower 48 past mid-April. The lower 48 does
not want any outsiders entering from Canada and that's exactly what the
cool air is, an outsider.
Cory Morrison ·
Works at Fortinos
That cold air needs to stay in NORTHERN CANADA, not the entire country of Canada, lol.
Zack Hodgson ·
Cory
Morrison If we could find a way to direct air masses, I would make sure
the cold air stays at least 300 miles north of your part of Canada for
at least the next 17 months.
William Smith ·
Works at South Park
I
love everyone's pronouncements. "It shouldn't be cold past March" and
"It should be hot by now", just everyone's preconceived notions of what
"should happen", with the weather by now. Mother Nature will do what she
wants. If she wants snow in June and 90's in January, she'll have it by
damn it! She doesn't care what the weather "should be" like by a
particular date on the calendar. It's become quite clear. Also,when
someone says "This better be the last cold shot" or "This better be the
last rainy day for the next 3 weeks", I'm like "or else what? You're
going to punch Mother Nature in the face?"
Neven Prvinic ·
The
cold air should not be in southern parts of Canada this late either.
The climate of the southern Ontario is not that much different from the
Great Lakes areas of the USA or the northeast.
Cory Morrison ·
Works at Fortinos
Some people just prefer to have ridging. Deal with it.
Paula Jones
Bundle
up? Really? It isn't like it's going to be below zero. Such drama--it's
the Midwest. I don't want a repeat of last summer in Chicago. Memorial
weekend was the last weekend we had that we didn't have severe weather
watches/warnings. Outside events were cancelled or postponed due to
constant heavy rain. If it was 60 all year I'd love it.
Cory Morrison ·
Works at Fortinos
June was especially awful last year where I am near Toronto.
Kathy Miller
This is from the same people that think temps in the 80s and 90s is pleasant.
Adithya Ramachandran ·
Cold
and cloudy this late in the year is depressing. Around 80 F and sunny
is perfect for me. I agree that 90's are a bit too much.
George Greene ·
Works at TopShelf Oldies
Adithya Ramachandran exactly right! Sunny and 80 is great. Very good to see this cold wave will be short-lived
Aaron Ginther ·
That's
good summer weather. It's great for heading to the pools, going to the
beach or the waterpark. I don't want to be on vacation in July with
overcast skies and temperatures stuck in the 70's. I can understand why
people think 90's and high humidity is uncomfortable, but if you dress
appropriately and find some activities that keep you cool, you can have
fun in hot weather. It doesn't really get dangerous until temperatures
start soaring into the triple digits. I wouldn't wish for 115-120F heat
indices. Kind of like how I wouldn't wish for -30F wind chills either.
Joseph Nazar ·
Adithya
Ramachandran Personally, I like hot weather, if it's only a little
humid. I wouldn't mind temps in the 90s, if the air was dry, as in
Arizona.
Cory Morrison ·
Works at Fortinos
After the past 3 near non-existent summers (Especially 2014) us heat lovers would like to have a real summer for a change.
Doug Olenick ·
The 80s are pleasant.
Cory Morrison ·
Works at Fortinos
Doug
Olenick I agree, the 80s are pleasant. The problem with recent summers
up here near Toronto is that even though our average summer high is
around 80F, we have been struggling to reach that mark more days than
necessary.
Tan Alan
Good. Stay cool and cloudy with nothing above 70 for highs until winter as far as I'm concerned.
Hot weather and sunshine only makes people act like idiots. For some, it's no act, though. Those things merely intensify the idiocy.
Hot weather and sunshine only makes people act like idiots. For some, it's no act, though. Those things merely intensify the idiocy.
Debbie Brunell
i
am with you all the way looks like we are going to get out of may ok ,
the best i am wishing for is a repeat of last summer , by the time it
became hot it was almost over. if i never see 80 or 90 degrees again it
will not break my heart!
Michael Carenza Jr. ·
May has been a good month so far. Could have done without the 80 yesterday and again today but a good change is coming.
Susan Skoczypiec ·
I totally agree with you!!!
Doug Olenick ·
Michael Carenza Jr. Yesterday was a beautiful day in NYC and on Long Island. I'll take that temp every day all spring.
Neven Prvinic ·
If
you never leave your dark and cold basement and go outside you never
have to deal with sun and 80 or 90 degress, so there is an option.
Debbie Brunell
Neven Prvinic ok i will just stay in the basement known as New England.
Michael Carenza Jr. ·
Doug Olenick, Got to love that sea breeze this time of the year.
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