Hotter-than-normal weather has prevailed for the past few days. The heat peaked in the Los Angeles area Wednesday with widespread 90-degree temperatures, around 15 degrees above normal.
The offshore flow creating this heat will turn around quickly to onshore Thursday, then become increasingly strong through the weekend.
High temperatures Thursday will drop a 10 degrees from Wednesday's highs.
The coolest weather will be over the weekend, however. Morning marine clouds will extend far inland each morning before clearing to sunshine.
High temperatures will drop below normal with low to mid-70s for coastal cities and middle to upper 70s in the valleys.
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The Seattle area is facing drenching rain and abundant clouds through the early part of the week.
A snowstorm will sweep from the Midwest to the Northeast into Groundhog Day causing major travel delays as well as power outages.
A snowstorm is cutting power and creating treacherous travel conditions in the Midwest, and the Northeast is next up.
With no break in sight this week across Europe, several more low pressure systems will bring rain, snow and wind to portions of the continent.
Tropical Cyclone Ola will bring rough surf and rip currents to the east coast of Australia and rain to New Zealand.
Moncton, New Brunswick, Canada (1992)
A 72 hour blizzard left 64" of snow.
Harlingen, TX (1998)
60 mph winds in a severe thunderstorm with marble - sized hail that accumulated a foot deep.
North Central, FL (2007)
A tornado outbreak across portions of north-central Florida resulted in numerous damage reports and some fatalities. Two people were injured in the town of Anthony when a tree fell on a home. A tornado caused extensive damage in Lady Lake and The Villages resulting in 7 fatalities. 3 people were killed by by an EF 3 tornado in Paisley. Another EF 3 tornado killed 10 people near Forest Hills. Three people were injured in DeLand.