Weather

Warm Halloween, followed by rain and cooler temperatures

Jace Nakayama, who is 20-months old, dresses up as Elmo from Sesame Street for the Boo at the Zoo event at the Sacramento Zoo on Friday, Oct. 30, 2015, in Sacramento.
Jace Nakayama, who is 20-months old, dresses up as Elmo from Sesame Street for the Boo at the Zoo event at the Sacramento Zoo on Friday, Oct. 30, 2015, in Sacramento. aseng@sacbee.com

It’s going to be a warm Halloween in Sacramento. But then autumn really arrives.

Trick-or-treaters should enjoy clear skies and temperatures of around 77 degrees at 6 p.m., with the temperature only dropping to 69 degrees by 8 p.m., according to the National Weather Service.

That’s after a warm and sunny day today during which the high is expected to top out at 81 degrees.

Starting Sunday, we should see “significant cooling in our area,” said weather service meteorologist Idamis Del Valle Martinez.

The high temperature for Sunday is forecast at 74 degrees. And there’s an 80 percent chance of rain late Sunday, with showers likely to continue Monday. Temperatures will top out in the mid- to-upper 60s on Monday, Tuesday and Wednesday.

Parts of the Sierra will be under a winter storm watch starting Sunday, according to Del Valle Martinez.

Snow levels should remain above 9,000 feet on Sunday, but will drop to about 5,000 feet on Monday. Some parts of the mountains will see snow accumulations of 4 to 7 inches.

Ryan Lillis: 916-321-1085, @Ryan_Lillis

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