US National Weather Service Oakland Center Weather Service Unit

The storm door opens back up tomorrow and continues off and on through the weekend. Be sure to check the latest forecast and advisories if you have flight plans!

A series of storms moving across the Pacific will bring periods of rain and heavy mountain snow to northern California over the next several days. The periods of heaviest precipitation will be Wednesday into Thursday, Friday and Sunday into Monday. Renewed flooding will be possible at the lower elevations with travel impacts likely over the mountains

A moderately strong and fairly cold weather system will bring snow to the northern California mountains today. Snow levels are low enough that significant travel impacts are expected. If you must travel through the mountains today or tonight….be sure and check the latest road and weather reports BEFORE departure.

Heading over the hill and through the woods this weekend? Be sure to know what weather to expect on your route and check live conditions before pulling out of your driveway.

Find route forecast information at www.wrh.noaa.gov/wrh/travel and current conditions through Caltrans HQ at quickmap.dot.ca.gov. Resources to help you plan and remain safe on the road.

Happy holidays and safe travels!

Significant travel impacts tomorrow through Saturday with this winter storm. Be prepared for big delays, possible chain restrictions and definitely some winter conditions if you must travel over the Sierra Passes!

Leave today or VERY early Friday to avoid the mess Friday and Saturday.

Follow US National Weather Service Reno Nevada for Lake Tahoe, eastern Sierra, and western Nevada forecasts.

Follow US National Weather Service Sacramento California for western Sierra foothills and portions of Northern California forecasts.

Friday Storm Coming in FASTER!

When is the coming? Check out the times for western Nevada, Tahoe, and Mammoth areas. Today is the best day to travel if you can, or very early on Friday before the storm hits.

Latest Winter Weather Advisories/Warnings https://goo.gl/9Zeijs

Tag people who are traveling in the comments below!

Lgt-mod chop in the upper levels will continue across ESE ZOA and diminish in to the afternoon. The break will be brief as a strong pacific system will approach the area tonight and bring widespread turb, icing, ceilings, diminished vis, and widespread rain across much of the airspace. Stay tuned to your local forecasts and hazardous weather products if you have travel plans on Fri-Sat across the area!

Meteorological Impact Statement (MIS)
ZOA MIS 01 VALID 141859-152359
..FOR ATC PLANNING PURPOSES ONLY...
A PACIFIC STORM SYSTEM WILL BRING WDSPRD IFR-MVFR ACROSS THE AIRSPACE. LGT-MOD TURB/ICING TO ZOA THIS AFTN THRU THURS. EXP INCR SRLY WNDS ACROSS THE AIRSPACE AND LLWS +/-20KTS WILL BE PSBL ALONG AND EAST OF THE SIERRAS. EXPECT RA/SN TONIGHT THRU THURS ACROSS MOST OF ZOA. MONITOR WWW.WEATHER.GOV/ZOA AND WWW.AVIATIONWEATHER.GOV FOR THE LATEST WARNINGS AND ADVISORIES.

National Weather Service - Oakland Government Internet Service Home page. The starting point for official government weather forecasts, warnings, meteorological products for forecasting the weather, and information about meteorology.