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.
A change in the weather pattern will turn off arctic air invasions and allow the March sun to go to work over much of the central and northeastern United States next week.
People across the Midwest and Northeast will be bundling up as the first week of March comes to a close due to a southward push of arctic air.
Mushers around the world are preparing their dogs for the Iditarod, a 1,000-mile-long trek through Alaska that starts on March 7. What qualities make some dogs better adapted for this race?
A spring fever alert is being issued for the United Kingdom and western Europe this weekend with April-like warmth set to surge in.
Afghanistan, Pakistan and India will once again become the target of another storm, complete with snow, potentially flooding rain and thunderstorms.
In the wake of a storm that brought heavy snow to the southern New England coast on Thursday, milder air will follow by next week around Boston.
Washington, DC (1821)
Second outdoor inauguration. President Monroe was sworn in under rain and snow. High of 28.
Eastern U.S. (1872)
Modern March cold wave: 3 degrees in eastern New York City -- lowest ever in March; Washington, DC, 6 degrees -- latest ever below 10 degrees; Philadelphia, PA, 5 degrees -- March record.
Honolulu, HI (1958)
17.41" of rain. Greatest 24 hour in city's history.