It felt more like late March than mid-May across the Midwest and the interior mid-Atlantic on Sunday and Monday as cold Canadian air penetrated the United States once again this spring.
This cold snap began early on Saturday afternoon when a cold front pushed through the Great Lakes. Cold air filtered in behind this front and was accompanied by rain and snow showers that lasted into Sunday morning across Michigan and Wisconsin.
While temperatures fell to below 40 as far south as Arkansas and as far east as New York, snow through Sunday morning accumulated up to 5.5 inches in Sault Ste Marie, Mich.
These cold temperatures pushed eastward on Mother's Day with highs in the Ohio Valley running 15 degrees below normal. High temperatures ran as cold as 10 degrees below normal around this area from Minnesota through Mississippi and up into Pennsylvania.
With a mainly clear sky and low winds on Sunday night, record lows were set from Illinois to Tennessee and into Virginia with another night of sub-40 temperatures.
Kenton, Mich., dropped as low as 17 degrees F on Monday morning, while Silver Bay, Minn., plummeted to 18 degrees F on Monday morning.
This record-challenging cold continued through Tuesday with the coldest air being centered over central Pennsylvania and southwestern New York.
With temperatures forecast to dip to or below freezing both on Monday and Monday night, farmers and homeowners were forced to take extra precautions to ensure that their plants do not get harmed from the freezing temperatures.
The good news is that relief from these unseasonably cold temperatures is on the way.
A warm front lifted across the central Plains on Tuesday, allowing warmer air to surge in. Places that saw temperatures below freezing over the weekend saw temperatures go above 90 and even 100 in some places.
With this front taking aim at the Northeast on Wednesday, the cold temperatures will be forced to retreat into New England.
The changing of the seasons will bring beneficial rainfall to northern Brazil, a region that has experienced severe drought over the past several years.
Rain and thunderstorms will continue to cause travel delays and raise the risk of isolated flooding in parts of the northeastern United States and Atlantic Canada into the weekend.
Typhoon Haima made a second landfall in southeastern China on Friday after leaving at least 13 dead in the northern Philippines.
Damaging storms pounded the Pacific Northwest, while two powerful typhoons struck the Philippines within a four-day span.
A dramatic change to colder weather, and in some cases a taste of winter with snow, will take place into this weekend.
Orionid meteors will streak across the night sky as the shower is set to peak late this week.
Tuscaloosa, AL (1884)
No rain from August 28-October 22. Severe drought throughout Southeast.
Temperature reached 104 degrees at San Diego (record for date). Record for date 100 degrees at Los Angeles (downtown). Climax of heat wave of record duration in Southern California.
Ottawa, Canada (1988)
Record October snowstorm brings 21 cm (just over 8 inches).