The winter and summer seasons clashed this week, letting a multitude of weather phenomena unfold around the world.
At midweek, dense winter fog enshrouded New York City, setting an eerie, wintry scene for the region, while New England enjoyed a snow-free sunrise.
Moving west, massive pileups flared up across the northern Plains, as blowing snow made for near-zero visibility near Sioux Falls, S.D.
On the West Coast, Southern California erupted in flames, as the return of the Santa Ana winds against the drought-stricken land triggered two immense wildfires in the area.
Across the Pacific, a resilient heat wave slammed Australia making for sizzling temperatures at the Australian Open in Melbourne. The heat caused suspension of gameplay on Tuesday and Wednesday, as multiple players and spectators suffered heat-related illnesses.
North of Oz, widespread rainfall caused deadly flooding and mudslides, claiming more than 25 lives in the southern Philippines.
A blanket of fog surrounds the New York City skyline on Wednesday morning, Jan. 15, 2014. (Original Photo/Michael Surtees)
A snow-free winter sunrise on Wednesday, Jan. 13, 2014, makes for a nice change of pace in Massachusetts. (AccuWeather Photo Gallery Photo/Carlos Godinho)
Along I-90, west of Sioux Falls, S.D., blowing snow and low visibility result in a 22-car pileup on Thursday, Jan. 16, 2014. (Twitter Photo/NWS Sioux Falls)
A wildfire burns in the hills just north of the San Gabriel Valley community of Glendora, Calif., on Thursday, Jan. 16, 2014. (AP Photo/Nick Ut)
A young spectator cools herself down in in the fountain in Garden Square as play was suspended when organizers implemented the Extreme Heat policy during second round matches at the Australian Open tennis championship in Melbourne, Australia, Thursday, Jan. 16, 2014. (AP Photo/Joshua Baker)
In this Sunday, Jan. 12, 2014, photo, rescuers from the Comval Emergency Response Team continue their rescue operation following the flooding of Compostela Valley and nearby provinces in southern Philippines. (AP Photo/A. Dayao)
One person is dead and multiple people are injured after a tent collapsed during a thunderstorm at a festival in suburban Chicago, the Chicago Tribune reports.
A disturbance will swing across the Midwest and fire a round of severe thunderstorms to end the weekend.
Hurricane Guillermo will continue its path towards Hawaii in the coming days bringing large swells and enhanced rainfall to the islands.
After months of below-normal rainfall, Santiago, Chile, could finally receive several days of rainfall this week.
The air felt like an exceptional 163 F in Bandar Mahshahr, Iran, on Friday and similar or worse conditions will follow.
Cooler conditions will move into the Interior Northeast early this week, but the warmth will hold on a little longer along the Interstate-95 corridor.
Chicago, IL (1988)
100 degrees -- 7th day of 100 degrees or higher in 1088 -- an all-time record number.
Hurricane Erin crossed central Florida from the east with 50-70 mph wind gusts. 9.06" of rain fell in Melbourne. (An all time 24 hour record).
Erie, PA (2000)
1.75" diameter hail.