A bubble of air, originating from the Arctic Circle in northwest Canada, brought a refreshing, but record-breaking chill across the northern Plains overnight.
Record heat has made headlines this summer, but chilly air and record lows will replaced them across the northern Plains Friday night. This is the chilliest air in the region since the spring.
Cites from Omaha to Kansas City to Madison, Wis., will attempt to break records overnight. Lows will range from the lower 40s across northern North Dakota and Minnesota to the lower 50s toward northern Kansas and Missouri.
The overnight lows are comparable to late September or early Fall.
"This is a big signal that summer is coming to a close," said Expert Senior Meteorologist Dale Mohler.

Clear skies, calm winds and the dry ground contributed to the chilly weather.
Despite the fact that the chill can make it into the record books, it was a refreshing, crisp night and one that will be welcomed, especially across the southern areas.
Daytime highs and nighttime lows will gradually rebound to more summerlike temperatures by early next week on the Plains.
A cold front, the leading edge of the chilly air, will move into the Northeast on Friday. The cold front will spark heavy thunderstorms Friday afternoon from New England south into Pennsylvania.
In wake of the front, the refreshing air will settle into areas from the Northeast south into the Tennessee Valley for the weekend.
Pollution levels hit all-time highs Thursday in Singapore as Indonesian fires burned out of control.
Severe thunderstorms with the risk of a few tornadoes will advance eastward across the northern Plains and Upper Midwest into Friday.
Evacuations and closed roads as wildfires continue to burn across the United States.
Join us on Thursday for AccuWeather LIVE as we will discuss the debate of climate change and hurricane frequency and the top five things you need to know about summer weather.
A hot and humid weekend is shaping up for Chicagoland just in time for the official start of summer, while severe thunderstorms fire nearby to the north.
Torrential rain began falling across Veracruz Thursday morning as Tropical Storm Barry near the coastline.
| Extreme | Location | |
|---|---|---|
| High | N/A | |
| Low | N/A | |
| Precip | N/A |
Annette, AK (1991)
Record high of 86 degrees; the old record was 79
set in 1958.
Virginia (1762)
George Washington, "Have now had one of the
severest droughts ever known."
Texas (1993)
Tropical storm Arlene came on shore south of
Corpus Christi. Rainfall amounts:
Houston 4-5"
Corpus Christi 9.10"
Brownsville 3.20"
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