Weather Articles

March 2017 Temperature Outlook: Widespread Warmth Expected

By Linda Lam
February 26, 2017

Much of the U.S. will see a very mild start to spring.

When Spring's Last Snow Typically Happens (INTERACTIVE)

By Jon Erdman
February 26, 2017

Our interactive map tells you when the last accumulating snow of the spring typically falls.

Two Storm Systems Will Impact Parts of the West Into Early Week

By Linda Lam
February 25, 2017

After a brief break in wet conditions, another system will bring rain and snow to portions of the West coast later this weekend.

Severe Thunderstorms Fire Up in Northeast Saturday

By Linda Lam
February 25, 2017

A strong, spring-like system will bring big changes and strong to severe thunderstorms to parts of the East Saturday.

5 Things To Watch In Next Week's Weather

By Linda Lam
February 25, 2017

Changes are ahead with the weather as we end February and begin March.

Winter Storm Quid Moves On After Dumping Nearly 2 Feet of Snow In Nebraska, Killing 4 on Slick Roads in Utah

By Sean Breslin
February 25, 2017

Here's what we know about this winter storm, which has moved on into Michigan and Canada.

California Storm, Flood Damage Could Top $1 Billion, Governor's Office Says

By Eric Chaney
February 25, 2017

Damage from recent California storms could exceed $1 billion.

Spring Fever Will Continue Into Saturday For Part of the East

By Linda Lam
February 25, 2017

Record-breaking warmth will end the week in the East.

Snow Will Linger in the Great Lakes as Winter Storm Quid Moves Into Canada

By Chris Dolce
February 25, 2017

From record February warmth to a major snowstorm.

How Much Is Climate Change to Blame for This Warm Weather?

By Sean Breslin
February 24, 2017

If you're feeling guilty about enjoying the unseasonably warm weather, here's what you should know.

9 Things to Know About Winter Storm Quid

By Jon Erdman
February 24, 2017

We boil down our latest winter storm into the essential facts.

6 Unusual Things the February Pattern Has Brought

By Jonathan Belles
February 23, 2017

Here are 6 wacky things we've seen this winter during a fairly persistent pattern.

Damage, Injuries Reported After Tornadoes Hit San Antonio, Texas

By Sean Breslin
February 22, 2017

Here's the latest on severe weather that hit the Lone Star State late Sunday into early Monday.

Dangerous Flooding, Landslides and Damaging Winds Will Linger in California Through Tuesday

By Jon Erdman
February 21, 2017

This latest storm that pounded northern California to start this week is beginning to wind down.

Snowstorm Will Give Midwest, Plains a Reality Check Late This Week

By Chris Dolce
February 21, 2017

Parts of the Midwest and Plains could go from record warmth to a snowstorm this week.

Syracuse, New York, Tops 100 Inches of Snow With a Month of Winter Left

By Brian Donegan
February 21, 2017

Not everyone is in a snow drought this winter.

East of the Rockies, Signs of Spring Already Beginning to Pop Up

By Sean Breslin
February 20, 2017

Recent warm weather is resulting in the emergence of vegetation earlier than average in parts of the East.

El Niño Could Return During the 2017 Hurricane Season

By Jonathan Belles
February 20, 2017

El Niño may develop this hurricane season. Here are the typical effects of El Niño on the tropics.

Heavy Rain and Isolated Severe Storms Continue Monday After Possible Tornado Strikes San Antonio Overnight

By Linda Lam
February 20, 2017

A low-pressure system will bring showers and thunderstorms from the southern Plains to the South into midweek.

Oroville Dam Update: Water Levels Lower Despite Additional Rainfall

By Pam Wright
February 19, 2017

Here's the latest on problems with a spillway at the tallest dam in the United States.

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Featured Blogs

California Precipitation: From Famine to Feast

By Christopher C. Burt
25 février 2017

It’s amazing what a difference one year can make. California’s five-year long drought has come to a dramatic halt (or at least interruption) this winter season. The latest California Drought Monitor report, released on February 23rd, has no portion of the state under ‘Extreme Drought’ conditions for the first time in four years. Last year on this date 61% of state was enduring such.

All-Time Warmth for February Stretches to New England

By Dr. Jeff Masters
24 février 2017

A February remarkable for its long stretches of mildness steamed onward Thursday, with more all-time records for the month continuing to tumble across wide stretches of the U.S. The apex of the record-setting warmth expanded on Thursday from the Midwest into New York and New England. Severe weather could erupt on Friday across parts of the eastern Great Lakes, and more all-time February warmth is possible through Saturday.

An extraordinary meteorological event; was one of its results a 1000-year flood?

By Stu Ostro
5 octobre 2015

The confluence of meteorological ingredients the first weekend in October 2015 resulted in an extraordinary weather event with severe impacts. Was one of them a 1000-year flood?

Why the Arrest of a Science-Loving 14-year-old Matters

By Shaun Tanner
16 septembre 2015

By now, many of you have heard or read about the arrest of Ahmed Mohamed, a 14-year-old high school student from Irving, Texas. Ahmed was arrested because school officials called the police after he showed one of his teachers his homemade clock. Mistaken for a bomb, Ahmed was taken into custody, interrogated, shamed, suspended (still on suspension today, Wednesday), and reprimanded. All of this after it has been found that the "device" he brought to school was indeed, a homemade clock.

2013-14 - An Interesting Winter From A to Z

By Tom Niziol
15 mai 2014

It was a very interesting winter across a good part of the nation from the Rockies through the Plains to the Northeast. Let's break down the most significant winter storms on a month by month basis.

What the 5th IPCC Assessment Doesn't Include

27 septembre 2013

Melting permafrost has the potential to release an additional 1.5 trillion tons of carbon into the atmosphere, and could increase our global average temperature by 1.5°F in addition to our day-to-day human emissions. However, this effect is not included in the IPCC report issued Friday morning, which means the estimates of how Earth's climate will change are likely on the conservative side.

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.