Mountain snow forecast for northern California this week – and even more likely next week • The Mendocino Voice | Mendocino County, CAThe Mendocino Voice


MENDOCINO Co., 12/21/21 – Another wave of wintry weather started to hit northern California today, with snow levels falling to 2,000 feet or less in the current forecast – which may have an impact on people who plan to travel before the holiday weekend. From today, the onset of astronomical winter and the winter solstice, the National Meteorological Service (NWS) in Eureka forecast precipitation over the northern coast and much of the state throughout the weekend, with snow at higher elevations possible in some inland parts of Mendocino.

Conditions can vary widely depending on the microclimates of the North Coast and on your travel itineraries, so we’ve included a list of helpful resources to keep you up to date at the bottom of this article. You can check the specific forecast for your neighborhood and current road conditions as they develop.

As of Tuesday afternoon, winter storm warnings and winter weather advisories have been in effect for the mountainous parts of the interior of the north coast, and NWS Eureka is warning of potentially dangerous travel conditions on national roads 299, 199, 36 and 3.


NWS Eureka Travel Advisory Chart for December 20, 2021.

Current winter conditions are expected to continue through the weekend, and upcoming precipitation is expected to have the biggest impacts on travel on Friday and Saturday, when snow levels could drop to 2,000 feet, particularly in the counties. of Humboldt and Trinity. Drivers should expect possible chain checks or road closures, especially over northern California mountain passes. Heavy snowfall is also forecast for the Sierra, which could see several feet of snow and whiteout conditions over the weekend.

Next week, however, a larger weather event may bring freezing temperatures and snow below 1,000 feet in parts of northern California and the Pacific Northwest, according to current forecasts. . Daniel Swain, meteorologist and author of “Weather West, ”notes in his most recent post that there is a possibility that snow levels will fall below 1,000 feet elevation next week, which could mean snow in the mountains of North Bay and flakes on the beaches of Humboldt, as well as heavy snowfall in the Pacific Northwest and along Interstate 5. Swain writes:


If the atmosphere plays its cards right, there is the potential for very low snow levels at NorCal early next week (in addition to the possibility of widespread and disruptive sea-level snow in the northwest of the region). Peaceful). At first glance, operational models hint at a scenario that could potentially cause snow levels to drop below 1,000 feet in the northern third of the state, possibly well below … around sea level on along the north coast during stronger convective showers – so beaches near Eureka / Arcata may even see snowflakes next week. Places along the 101 freeway corridor as far south as Mendocino or even in the far north of Sonoma County (and east into Lake County at elevations of 500 to 1,000 feet) could also see snowfall accumulating.

Daniel Swain at Weather West

We recommend you can read the entire article here, and in general follow Swain’s excellent analysis of weather patterns in our region. We will keep you informed of the evolution of the forecasts.

Mendocino Voice Winter weather resources:


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