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Cold weather in for much of the week - KSBY.com | San Luis Obispo and Santa Barbara Area News

Cold weather in for much of the week

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A large trough in the jet stream will leave cold air in place over the Central Coast most of this week.  Most of the shower activity has ended so the immediate concern is for hard freeze conditions for the coastal valleys tonight and a freeze for the Southcoast as well.  A hard freeze means that temps will dip into below freezing and remain there long enough to do damage to sensitive plants, the upper 20s are forecasted for some coastal valleys tonight.  Tomorrow night into Wednesday morning similar conditions are expected so some of the hard freeze warnings cover both nights.  I recommend getting our KSBY weather app for the latest on active watches and warnings.

Winds which were strong most of Monday will slacken Monday night along with clearing skies to produce the cold temps.

Highs will remain in the 50s and lower 60s all week.

The coldest spots over the next few nights will be the SLO interior valleys (which are not covered in the hard freeze warning only because hard freeze conditions have already happened this year).  Folks in the SLO interior valleys will see low 20s and possibly teens which can freeze pipes.  Some ag impact is possible along with exposure to people and animals, some precautions are wise.

Another cold and unsettled system comes in late Wednesday-Friday and could produce more rain and snow showers with snow levels again down to about 1500ft.  There won't be much rain, less than .10"

The weekend looks dry but a larger and wetter storm system is possible at the beginning of next week.

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