Winter storm cancels 30% of all US flights: What to know

Sunday marked the biggest flight cancellation event since the pandemic, with over 29% of all U.S. departing flights axed.

Winter storm latest: Dangerous snow, ice move across US

The dangerous winter storm forecasters have been warning about has arrived. Governors in more than a dozen states have declared emergencies or urged people to stay home.

Why the viral terracotta pot heater is a dangerous myth: What to do instead

Staying warm during an ice storm is paramount, but a recent “trick" going around social media is not what you think it is and can actually be dangerous.

Wet weather possible in the Bay Area mid-week
video

Conditions are expected to be clear and breezy until Wednesday, which will bring a chance of wet weather.

USPS warns of mail delivery delays in over 30 states

The Postal Service (USPS) is warning that mail delivery could be disrupted in dozens of states due to a severe winter storm.

Breezy conditions around the Bay Area
video

The Bay Area experienced breezy conditions for much of the week and that trend will continue into the weekend.

California dry streak, why 15 days of no rain matter

After a wet and stormy start to winter, the Bay Area has now gone 15 consecutive days without measurable rainfall, giving us a stretch of dry, mild January weather. 

Morning fog, cooler
video

Today will start off foggy and then be cooler in the high 50s. 

Fog returns Friday morning
video

Dense fog will resurface in the inland valleys Friday morning.  We are expecting partly sunny skies later in the day.  Plan on cooler temperatures.  Highs should range from the mid 50s to the low 60s. The weekend will be dry.  Winds will be picking up in our local hills early Saturday morning.  

The lowest wind chill ever recorded

A New Hampshire mountain holds the record for the lowest wind chill ever recorded in the U.S.

What to do if your flight gets canceled due to winter storms

Flight cancellations are likely this weekend as a massive winter storm is expected to cripple much of the U.S. 

Slight chance of showers
video

A system in the Pacific will drift toward Southern California Thursday morning.  The slight chance of showers has been added to the forecast through early Thursday.  Shower chances will be favoring the South Bay.  The cloudy conditions during the morning will give way to partly cloudy skies later in the day.  Highs should range from the upper 50s to the low 60s. Have a great Thursday! -Mark

A few sunny breaks
video

Today will see a few sunny breaks, with highs in the low 60s. 

Do trees actually explode from 'extreme' cold?

Can trees really explode in the extreme cold? Rumors are spreading on social media that the frigid temperatures in the Upper Midwest this week could mean exploding trees. FOX 9's Cody Matz breaks down this viral claim.

A few sunny breaks
video

Today will be in the low 60s with a few sunny breaks.