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ICEMAN COMETH FOR HALLOWEEN?
Record overnight low of 30 degrees forecast for Thursday in Manteca area
sunset
People along a San Joaquin River levee in Lathrop are silhouetted against the setting sun. - photo by Bulletin file photo

Five days ago Manteca was basking in 90 degree heat with an overnight low of 55 degrees

Come Thursday on Halloween Manteca could be setting a new record low for Oct. 31.

The National Weather Service is calling for the temperature to dip to 30 degrees.

That means it will be roughly 10 degrees cooler for trick or treaters after the sun goes down on Thursday than it was last Halloween.

The forecast comes right after winds are expected to sweep through Northern California today and Wednesday at speeds of 5 to 35 mph with gusts ranging from 35 to 60 mph. Winds in the Northern San Joaquin Valley, by comparison, will be northerly 20 to 30 mph with gusts possible up to 55 mph. That, combined with extremely low daytime humidity, prompted PG&E this morning to turn-off power to 605,000 customers in 29 counties in Northern California. Manteca and the rest of San Joaquin County are not expected to be impacted by the latest deliberate power shut-off by PG&E. It means over 1.5 million Californians will likely be without electricity over the next couple of days.

Today will start a six-day string of low temperatures below 40 degrees. The last time this year the temperature dropped that low was in mid-January. Today’s low was expected to drop to 33 degrees while the high is predicted to reach 72 degrees. The high Monday in Manteca based on the Civic Center weather station was 75 degrees with the low 40 degrees.

If the low does drop to 30 degrees on Thursday it will break the record of 33 degrees set in 1956.

At least it won’t be as low as in Denver where the forecast calls for a low of 0 degrees on Halloween. That is attributed to the same powerful Artic air mass pouring into the Rockies and Plains states that sent temperatures in parts of Utah to minus 34 degrees on Monday.

Based on the forecast for Manteca and the rest of the Northern San Joaquin Valley, Thursday will be the first day in at least five in a row anticipated to be “good” by the National Weather Service in terms of conditions not favoring wildfires. The San Joaquin Valley Air Pollution Control District anticipates the impacts of the Kincaid Fire burning in the Napa Valley will improve significantly based on wind patterns.


To contact Dennis Wyatt, email dwyatt@mantecabulletin.com