Napa Valley (94558) Daily Weather Forecast

Here's How Hot It's Forecast To Be This Week In Napa Valley

A heat advisory has been issued. See your seven-day forecast here.

Delta Aquariids, Alpha Capricornids Peak: When To See From Napa Valley

Fans of meteor showers have a doubleheader this week with two shooting star shows.

How Many Days Will You Need AC In Napa Valley This Summer?

Here’s how Napa Valley heat indices and actual air temperatures are projected to change, according to a new report by The Washington Post

California Approves Emergency Fire Resources For Napa County

The California Office of Emergency Services is placing fire resources in high-risk areas across the state as critical fire weather persists.

Red Flag Warning, Extreme Heat Ahead In Napa County

The interior North Bay will navigate extreme heat risks this week, while very low humidity will add to the fire dangers.

When To See June’s Full Strawberry Moon Usher In Summer In Napa Valley

It doesn’t happen often that the solstice falls within a day of the full moon — only about once every 19 to 20 years.

Rain To Arrive In Napa Valley, Bring Chance Of Thunderstorms

A few thunderstorms are possible with lightning, locally heavy rain and perhaps some small hail, the weather service said.

Warm, Dry Weather To Arrive In Napa Valley

As temperatures warm up, wind speeds will also increase, with north/northeast gusts peaking from between 40 mph to 50 mph.

Frost Advisory Extended For North Bay

Temperatures as low as 35 degrees will result in frost formation, according to the National Weather Service.

Napa Storm Impacts: Power Outages, Flooded Roads

A flood watch remained in effect along with a wind advisory.

700K+ Without Power In Wake Of Atmospheric River's 100+ MPH Winds

Power outages were widespread as winds topped 100 mph in some parts of the Bay Area. Monday brought rain, floods & chance of thunderstorms.

Petrified Forest Road Closed By Storm

The road is blocked by a downed tree. See the running list of closures and other storm impacts.

Silverado Trail Closed In Napa

A large tree is blocking the road.

Frost Advisory For Napa County: Here's How Cold It May Get

The National Weather Service advised taking precautions to protect people, pets, plants and pipes from the cold.

Napa Valley Under Freeze Warning, Watch: National Weather Service

The freeze warning and watch is for North Bay interior valleys. Here's how cold Napa Valley is expected to get tonight.

Rain, Rain Not Going Away In Napa Valley; Outages Possible

Here's how long the rain is expected to stay in Napa Valley, and why PG&E says outages and even pole fires are possible during this storm.

Taurids Set Up Meteor Showers For Days: What To Know In Napa Valley

The Taurid meteor shower is about to peak. Timing of the peak, along with the forecast.

Meteors; Ring-Of-Fire Eclipse: Napa Valley October Skygazing Guide

The month’s big event is the annular — meaning it "forms a ring" — solar eclipse. Here's when to watch for that, more celestrial events.

Full Harvest Moon Friday Is Supermoon: What To Know In Napa Valley

Here are the absolute best times to take in a view this week when the "moon illusion," as NASA calls it, will kick in.

Worst Air Quality In Bay Area Permeates Parts Of North Bay

An image from a PG&E camera showed the current smoky conditions in Napa County, where the AQI reading was unhealthy in at least one city.

When To See Full Strawberry Moon, Fiery Star Antares Over Napa Valley

Here's when to look up this weekend to see the June full moon, plus a fiery star called Antares that is often confused with Mars.

Lyrid Meteor Shower Peak: When To Watch For Fireballs Over Napa Valley

This shooting star show produces fireballs that blaze across the sky, leaving dust trails for several seconds. Here's when to look up.

Pollen Season In Napa Valley: What To Expect

Allergy and hay fever sufferers can expect more grass pollen this year thanks to several atmospheric rivers. Here's when it will start.

Over 1K Without Power In City Of Napa

PG&E's preliminary determination was the outage was caused by weather.

Next Rainstorm Heads For Napa Valley: 7-Day Forecast

Up to 2 inches of rain is possible around Napa Valley. There may be a few thunderstorms across the Bay Area, too.

Atmospheric River Storm Expected To Arrive In Napa County Overnight

The incoming storm is "a direct threat to life and property," the National Weather Service said.

Atmospheric River Arrives: Napa County Under Flood Watch

"Flooding is an extremely serious concern with this AR as the ground is already saturated and streams and rivers are already swollen."

NorCal Storm Timeline: When To Expect More Rain, Snow And A Reprieve

A look at the near forecast for the greater San Francisco Bay Area — including how much longer the rain and snow are expected to last.

Weather Service Reports Napa County Snowfall Amounts

A low-elevation snowstorm dumped several inches of snow on Calistoga, St. Helena, Angwin and other parts of Napa County.

Snow, Rain, Thunder: North Bay Experiences Weather Phenomena

Cold temperatures brought rain that turned to snow in some areas while thunderstorms were forecast for the evening.

Snow Possible In Napa County; Freeze Warning Extended

A winter storm warning now lasts until 11 a.m. Friday, with snow still expected at elevations above 1,500 to 2,000 feet.

Napa County Goes Under Freeze Watch

The freeze watch will be in effect from 2 a.m. to 9 a.m. Wednesday and residents are urged to prepare now, the NWS said.

Freeze Warnings, Frost Advisories Issued Across Bay Area

Overnight temperatures are expected to plunge into the low 30s with daytime highs peaking in the low 50s.

Freeze Watch Issued For Napa Valley, North Bay

"Protect people, pets, plants and pipes from the cold," the National Weather Service said.

Napa Valley Goes Under Freeze Warning

Napa Valley temperatures are expected to top out at 57 degrees Thursday afternoon before plunging precipitously.

Final Storm Will Add To Historic Wet Period In Bay Area

Rain is forecast to arrive Wednesday along with a cold front and king tides.

Napa County Under Coastal Flood Advisory, Flood Watch, Wind Advisory

Another atmospheric river is expected to drop 3-4 inches of rain on most of the Bay Area through Monday.

Atmospheric River: Flooding Strikes Solano; 275-Year-Old Oak Tree Falls In Napa County

"I don't know. It's like, I've never seen something like this in this area of Fairfield," he told KPIX.

Napa County Remains Under Flood Watch, Wind Advisory

The floodgates remained closed with the Napa River expected to peak Monday evening.

More Storms Stalk Napa County; Flood Watch, Wind Advisory Issued

Napa Valley is expected to see rain for 10 straight days.