Around this time of year, the nights lengthen, cool air begins to pool over Canada, and the long shadow of winter looms over much of the country.
High temperatures the first part of this week reached record levels, with some places soaring well into the 90s and lower 100s clear to the coast. Places such as San Francisco had their warmest temperatures in over a year, and some spots even reached near 110 degrees.
As the strong high pressure responsible for this extreme heat weakens and pushes off to the south, cooler air on a westerly wind will continue to filter in from the Pacific, allowing temperatures to become gradually cooler. This cooling trend is expected to continue.
A storm system developing well offshore will start to approach the coast of California this weekend.
Clouds will start to increase across the northern and central parts of the state later Sunday, before filtering into the rest of the state early next week. A few showers are even possible near the coast.
Temperatures across central and Southern California will drop to as much as 5-10 degrees below normal by Monday and Tuesday, especially from San Francisco southward to Los Angeles and San Diego.
The cool and increasingly showery weather should last into at least the middle part of next week as the low drifts over the state.
Stay with AccuWeather.com for the latest on this cooldown and the potentially showery weather ahead for next week.
The wet pattern in the southern Plains over the past several weeks has nearly eliminated drought conditions across the region.
It marked the second time that Mount Shindake has erupted in the last nine months, according to the Global Volcanism Project at the Smithsonian Institution.
A push of cooler air will slash summerlike conditions across the Upper Midwest then in the Northeast beginning this weekend.
Flood-ravaged Texas and Oklahoma are in line for additional rounds of drenching showers and thunderstorms into Saturday night.
The same cold front poised to mark and end to the midsummerlike warmth will also spread rain and thunderstorms into the region this weekend.
Tropical Depression One-E formed early Thursday morning in the eastern Pacific, and is expected to become Tropical Storm Andres later Thursday.
Area from Wallace to Kearney counties: a great hailstorm caused $6 million damage.
Ohio Valley (1982)
Severe thunderstorms: Tornado in Marion, IL killed 12, caused $100 million damage. Columbus, OH had a wind gust to 76 mph. Louisville, KY pelted by hail 2" in diameter.
Yuma, AZ (1877)
Severe two-day sandstorm.