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Brief warming trend today into tomorrow

Valley air quality is in the moderate range
Valley 10-day forecast 5/17/21
Mountains 7-day forecasts 5/17/21
and last updated 2021-05-17 07:51:06-04

BAKERSFIELD, Calif. — Another round of afternoon thunderstorms is in store for the Sierra Nevada mountains and adjacent foothills this afternoon as instability on the backside of the trough remains over the area, though it doesn't look as active as yesterday, which did bring a strong thunderstorm to the Kern River Valley as expected.

There is a brief warming trend with a return to sunny skies this afternoon into tomorrow as a ridge builds in briefly from the Pacific, with a return to afternoon highs just above average. That takes us to 86 in Bakersfield today, 80 in Lake Isabella, and 70 in Tehachapi and Frazier Park. Valley air quality is moderate today and expected to remain that way tomorrow. With this warmup, temperatures are a few degrees warmer tomorrow, but looking to stay shy of that 90 degree mark here in the valley.

But this latest warming trend will be short lived!

A trough digging down from Canada on Wednesday will bring windy conditions and a remarkable cool down, with highs just in the 70s by Thursday into Friday! That's a rare treat for this time of year, even if we can't get promising rain chances out of this latest system. With cold air aloft we could see a chance for scattered showers and isolated thunderstorms along the Sierra Crest, with the most likely development happening Friday afternoon.

Of course whenever we're windy and there's no rain, we have a chance for blowing dust in the valley and Kern Desert, so monitor the situation closely and be sure to head indoors during dusty conditions.

Conditions will be calmer this weekend with a slow warming trend back to the low 80s on Saturday and seasonal mid-80s under sunny skies on Sunday here in the valley, before yet another dose of 90s next week.

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Chief Meteorologist Elaina Rusk

Meteorologist Brandon Michaels

Bayne Froney

Kylie Walker

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