Fire weather watch issued for Inland Empire

COURTESY OF NATIONAL WEATHER SERVICE Published: Oct. 5, 2016 Updated: 6:32 a.m.

COURTESY OF NATIONAL WEATHER SERVICE
Published: Oct. 5, 2016 Updated: 6:32 a.m.

Rising temperatures and dropping humidity levels have prompted the National Weather Service to issue a fire weather watch for the Inland valleys and mountains to last from Thursday to Saturday.

Temperatures across San Bernardino and Riverside counties are expected to remain in the 70s and low 80s in most of the valleys Wednesday, according to the National Weather Service. Highs will stay in the high 60s and low 70s in the mountains for the rest of the week.

Then on Thursday, valley temperatures will jump by about 10 degrees, the weather service reports. The fire weather watch takes effect in both counties about 3 a.m. and as the day goes on, temperatures are expected to reach about 91 in the Riverside and San Bernardino areas.

By Friday, they could reach as high as 96.

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Afternoon humidity levels will drop below 20 percent across Riverside and San Bernardino counties on Thursday, according to the weather service. Humidity is expected to break 10 percent in only a few areas during the day Friday.

By Saturday, temperatures are expected to remain about the same, but humidity should increase enough to allow the fire weather watch to expire about 2 p.m., the weather service reports.

A fire weather watch is what forecasters typically issue when they don’t have confidence yet that a Red Flag warning should be issued. As the period the watch has been issued for approaches, it could be upgraded.

The watch is designed primarily for firefighters, but it also serves as a signal to the public to be mindful of outdoor behavior.

Firefighters recommend getting yard work, like lawn mowing, done before 10 a.m., making sure your car doesn’t have any dragging parts that would create a trail of sparks and trying to avoid throwing cigarette butts into dry vegetation.

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