Weather Articles

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

By Jonathan Erdman
November 12, 2018

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

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.

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

By Brian Donegan
November 12, 2018

Right on the heels of an early-week storm, the East Coast will have to deal with yet another storm system late in the week.

Another Cold Blast This Week, But Some Relief From the Chilly Conditions May Be Ahead

By Linda Lam
November 12, 2018

Another blast of arctic air will surge south and eastward this week, but a break from the bitter cold may be ahead.

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

By Chris Dolce
November 12, 2018

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

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 8, 2018

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

Where 2018 Could Be the Wettest Year on Record

By Brian Donegan
November 8, 2018

Numerous cities east of the Rockies are on pace for the wettest year on record.

'It Is Pure Chaos Up Here': Camp Fire Injures Residents, Forces Thousands to Flee as Flames Invade Paradise, California

By Pam Wright
November 8, 2018

The Butte County Sheriff's Office said an evacuation order was issued for areas of Paradise, a town of about 27,000 people north of Sacramento.

A Concerning Trend: Flooding Deaths Have Increased in the U.S. the Last Few Years

By Linda Lam
November 8, 2018

This trend will likely continue as climate change increases the risk of heavy rainfall.

What Is Lake-Effect Snow?

By Brian Donegan
November 8, 2018

You hear about lake-effect snow in the Great Lakes every year, but do you know what it is?

Doppler Radar Shows Birds Taking Off at Sunrise in Georgia

November 8, 2018

Radar isn't just useful for looking at rain and snow, but it can also pick up animals and modes of transportation.

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.