The return of dangerous cold to the Chicago area will dominate weather headlines this week.
The departure of Saturday morning's snow and Sunday's more seasonable air is not a sign of things to come for this week.
Instead, the polar vortex and the accompanying dangerous cold are once again dropping southward.
After a band of nuisance snow left a fresh coating late Monday, residents will have to endure single digit highs on Tuesday with temperatures plummeting below zero at night.
The good news is that prolonged gusty winds will not accompanying this cold blast, preventing a repeat of the extremely dangerous AccuWeather.com RealFeel® temperatures registered earlier this month.
However, the magnitude of the impending cold is still dangerous enough to put residents who do not properly bundle up at risk for frostbite and hypothermia.
Biting winds will howl at midweek as another Alberta Clipper moves through, returning more nuisance snow and opening the door for fresh dangerous cold to arrive.
The potential for locally dangerous and disruptive thunderstorms will exist over the Midwest during Tuesday and Wednesday.
After a mild and dry Memorial Day, warmth will build across the northwestern United States.
Rounds of heavy thunderstorms will raise the risk of flooding across the south-central United States into Friday.
Temperatures and humidity levels will throttle back as dry air expands southward in the northeastern United States through the middle of the week.
Despite no longer being a tropical storm or depression, Bonnie will induce daily showers and thunderstorms across the Carolinas into the middle of the week.
Extremely heavy rain fell over the weekend in southwestern Germany, leading to dangerous and deadly flash flooding.
Johnstown, PA (1889)
Flood disaster. Heavy rains caused overtopping of 90-foot high earthen dam Conemaugh River, 14 miles north in the mountains. The dam gave way and a torrent water roared down on the city at 50 mph. The force of the water moved a 48-ton 1 mile. Over 2,100 people died.
Burlington, KS (1941)
12.59" of rain - 24 hour record for state.
North Texas (1982)
Wettest May on record for parts of Northern Texas and Oklahoma. Wichita Falls: 13.22" (old record set in 1891), Oklahoma City: 12.07" (old record set in 1902).