National Weather Service

The deep freeze from a deadly winter storm that walloped much of the United States will continue into the week

A strong arctic high-pressure system is bringing “life-threatening” cold and extreme weather to more than 20 states, sweeping from the Pacific Northwest to the Atlantic coastline.

A record 12 inches of rain fell overnight in parts of St. Louis, Missouri, causing extreme flash flooding and prompting evacuations from residents trapped in their homes and vehicles.

The summer sizzle is in full swing and some parts of California could even see triple digits in the coming months. Here are a few tips to remember to keep you safe.

As high temperatures are expected to sweep across Southern California, here are a few tips to remember to keep you safe.

Chief Meteorologist Jeff Ranieri tracks the heat and the possibility of spotty thunderstorms in your Microclimate Forecast.

A heat advisory for much of the Bay Area takes effect at 10 a.m. Tuesday, and air quality officials have issued a Spare the Air alert for smog in the region. Kari Hall and Bob Redell report.

High temperatures are returning to Bay Area and are expected to peak over the next two days, prompting the National Weather Service to issue a heat advisory for much of the day in many inland areas. Chief Meteorologist Jeff Ranieri reports.

Soaring temperatures are returning to Bay Area and are expected to peak over the next two days, prompting the National Weather Service to issue a heat advisory for much of the day in many inland areas.

The National Weather Service reported over eleven inches of rain near downtown Miami Saturday morning and widespread street flooding

Strong winds took a toll on parts of the Bay Area Monday. NBC Bay Area’s Raj Mathai spoke to Chief Meteorologist Jeff Ranieri for the details.

The National Weather Service issued a wind advisory until 9 p.m. Monday for the greater San Francisco Bay Area and Central Coast.

The National Weather Service issued a warning to Bay Area residents who venture to the coast to escape the heat: Never turn your back to the ocean.

Tuesday, Dec. 21 marks the winter solstice, the shortest day of the year in terms of combined sunlight and the official beginning of the winter season.

A powerful storm system is blowing through the Great Plains and Midwest, combining with unusually warm temperatures to close highways and prompt numerous tornado warnings.

Days of heavy rainfall and high winds Monday coming from a powerful atmospheric river in Washington caused extensive flooding and mudslides.

A Fire Weather Watch goes into effect at 11 p.m. Sunday through Tuesday evening for parts of the Bay Area. Vianey Arana has the microclimate forecast.

Clearing out and warming as we move through the day and will bring some great weather for SF Fleet Week and SF Giants. Vianey Arana is tracking your microclimate forecast.

A Fire Weather Watch issued by the National Weather Service for parts of the North Bay and East Bay will take effect Sunday night instead of Monday as initially announced.

Experts call it “warning fatigue,” and no one can be sure what role it might have played in a tragedy that killed at least 49 people when the remnants of Hurricane Ida swept through the northeast