Northern California Braces for Snow and Rain, Weather Advisory in Effect Amidst Holiday Travel

A fresh weather pattern is forecast to shake up Northern California’s skies, as the National Weather Service Sacramento predicts a fast-moving system that’s about to hit today, bringing snow to the mountains, rain to the valleys, and a chance of thunderstorms across interior Northern California. According to an early morning report from the

National Weather Service in Sacramento

, the snow, primarily above 6500 feet, with a 50 to 95% probability for parts of the higher elevations, is expected to create significant travel disruptions, especially as the holiday weekend comes to a close.

Meanwhile, the Sacramento and northern San Joaquin Valleys are expected to receive heavier rain, with a 70 to 95% probability of more than half an inch of precipitation over the next 24 hours, while chances for an inch or more are limited to the northern Sacramento Valley, including the foothills and mountains where the probability is around 65 to 95%. The potential for isolated thunderstorms later in the day will depend on how quickly cloud cover dissipates to allow for surface instability. A Winter Weather Advisory remains in effect for Sierra elevations above 6500 feet from 10 a.m. today until midnight tonight, as per the

National Weather Service

, with gusty winds also expected to create difficult driving conditions. These winds could reach up to 30 mph in the Delta and Valley and up to 45 mph in the northern Sierra.

The region will experience a brief reprieve with dry conditions and cooler temperatures tomorrow, but that calm is predicted to be short-lived. Another system, expected to have a longer duration, will arrive on Wednesday. Light snow accumulation is projected for elevations above 6,000 feet on Wednesday, while the next substantial snowfall isn’t expected until Thursday, with ongoing impacts forecast through the end of the week. The bulk of the impacts from this late-week system are anticipated Thursday evening into Friday, with lingering snow and rain showers lasting into Saturday, as stated by the

NWS

, indicating a possible respite before the next active weather phase.

Despite the impending weather changes, current projections suggest that the bulk of rain will remain limited to the northern Sacramento Valley, foothills, and mountains, where there is a 60 to 90% chance of at least an inch of rain between Thursday and Saturday, while the more southern regions in the Sacramento and northern San Joaquin Valleys are looking at lower probabilities, ranging from 30 to 65% for half an inch or more. As for the weekend forecast, the showers are expected to taper off by Saturday, leading to cool but drier conditions, before another potential wave of precipitation early next week, albeit with a degree of uncertainty surrounding its strength and impact, as mentioned by the

NWS

.

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