Weather Articles

Tropical Cyclone Gaja Brings Flooding and Mudslide Threats to Southern India

By Brian Donegan
November 13, 2018

Gaja is expected to make landfall in southeastern India Thursday.

Another Eastern Storm Late This Week Will Bring Mess of Snow, Ice and Rain From the Mid-South to the Ohio Valley and Northeast

By Brian Donegan
November 13, 2018

Yet another storm will bring a wintry mess starting Wednesday night.

High Fire Danger Continues in Southern California Through Wednesday; Pattern Change May Increase Rain Chances Thanksgiving Week

By Chris Dolce
November 14, 2018

Here's when fire weather conditions may improve in California.

Another Cold Blast This Week, Then Again This Weekend, May Be Followed by Some Thanksgiving Relief

By Linda Lam
November 13, 2018

There's more cold ahead, but perhaps a warmer ray of holiday hope.

Before and After Satellite Images Show Burn Areas From California's 2018 Wildfires

By Chris Dolce
November 13, 2018

The marks left on the earth by California's 2018 wildfires are easy to spot.

Thanksgiving 2018 Travel Weather Forecast: Major Storminess Unlikely This Weekend Into Early Next Week

By Brian Donegan
November 13, 2018

The general weather pattern leading up to Thanksgiving is beginning to come into focus.

It's Been a Deadly 60 Days of Weather Disasters in the U.S.

By Linda Lam
November 13, 2018

From mid-September into mid-November the U.S. has experienced 5 deadly weather disasters.

Early-Week Storm Spreading Snow From Midwest to Interior Northeast as It Soaks the East Coast

By Jonathan Erdman
November 13, 2018

November's stormy reputation will be on display this week. Here's what we know.

California Wildfires, as Told by a Reporter: Here's What She Saw on the Ground at the Camp Fire (PODCAST)

November 13, 2018

To fully grasp what's happening with the California wildfires, listen to what a reporter on the ground has to say.

Invest 96L in the Atlantic Could Develop into a Tropical Depression or Storm This Week

By Jonathan Belles
November 12, 2018

We're watching what may become the last named storm of the season near the Lesser Antilles.

Smoke From the Northern California Wildfire is Making Air Unhealthy in the Bay Area, Sacramento

By Drew MacFarlane
November 12, 2018

As the Camp Fire continues to scorch Northern California, air quality has dropped dramatically.

At Least 29 Dead in Wildfire That Destroyed Northern California Town and Is Now the Most Destructive Fire in California History

By Pam Wright
November 11, 2018

Here's what we know about the wildfire burning in Northern California.

Why California's Wildfires Are Most Destructive in Fall

By Jonathan Erdman
November 10, 2018

They can occur year-round, but fall's fires in the Golden State can be particularly destructive.

Coldest Air of the Season Plunging into the Plains, Midwest, South and Northeast and Will Linger Well into Next Week

By Linda Lam
November 10, 2018

A cold weather pattern will be locked in to the east of the Rockies into next week.

First Significant Lake-Effect Snow Event Will Continue Into This Weekend in Great Lakes Snowbelts

By Brian Donegan
November 10, 2018

As is typical this time of year, we have our first chance of significant lake-effect snow downwind of the Great Lakes.

How The Deadly Camp Fire Exploded In Size Overnight

By Jonathan Belles
November 9, 2018

We explain why Camp Fire in northern California exploded in size.

Developing El Niño and California's Upcoming Wet Season May Be Good News for the Fire Risk

By Linda Lam
November 9, 2018

Will El Niño conditions bring much-needed precipitation to California this winter?

Entire California Town Destroyed; Tens of Thousands Flee in Los Angeles, Ventura Counties

By Sean Breslin
November 9, 2018

Here's what we know about several wildfires burning in parts of Northern and Southern California.

First Accumulating Snow of the Season Into Friday for Some in the Great Lakes, Including Chicago

By Linda Lam
November 9, 2018

Friday morning's commute may be tricky, as often happens with the season's first snow.

California Wildfires Burn Out of Control: Camp Fire Destroys Hundreds of Structures in Paradise; Several Fires Burn in Ventura County

By Sean Breslin
November 9, 2018

Here's what we know about several wildfires burning in parts of Northern and Southern California.

Recent Infographics

Storm Surge

Storm Surge terms described and defined in the Storm Surge infographic by Weather Underground.

El Niño

To understand the science behind El Niño, and the associated precipitation, checkout this infographic by Weather Underground.

Why the Sky is Blue

Finally, childhood questions answered. Find out why the sky is blue in our latest graphic.