weather

Table of Contents

Introduction References & Edit History Related Topics

Videos

What's the difference between weather and climate?

What causes the seasons?

How do tornadoes form?

See how cloud formation near a low-pressure system or ongoing tropical storm fuels a hurricane

For Students

weather summary

Read Next

Lightning over the outskirts of Oradea, Rom., during the thunderstorm of August 17, 2005.

16 Questions About Earth’s Atmsophere and Weather Answered

Lightning over a farm field. Weather electricity thunderstorm light energy tree

Can Lightning Strike the Same Place Twice?

Flower. Fruit tree. Cherry. Cherry tree. Cherry blossom. Spring. Close-up of cherry blossoms in bloom.

The Perils of an Early Spring

Average temperature in the United States during August 2016, weather

What’s the Difference Between Weather and Climate?

Kansas tornado over field. (twister, strom, weather, clouds)

How Do Tornadoes Form?

Discover

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Gills of three old specimens of webcap fungus (Cortinarius) in Gloucestershire, South West England. toxic, fungi, poisonous mushroom

7 of the World’s Most Poisonous Mushrooms

New Zealand. Political/Physical map. Includes locator.

Where Is “Old Zealand”?

Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

All 119 References in “We Didn’t Start the Fire,” Explained

"Landing of Columbus" by John Vanderlyn, oil on canvas; commissioned 1836/1837, placed 1847. In the rotunda of the U.S. Capitol, Washington, D.C. 12' x 18' ft. (3.66 m. x 5.49 m.) Christopher Columbus and members of his crew are shown on a beach

5 Unbelievable Facts About Christopher Columbus

William Shakespeare

The Death of Shakespeare

Vietnam War. Operation Georgia. U.S. Marines bombing bunkers and tunnels used by the Viet Cong. May 6, 1966

9 Questions About the Vietnam War Answered

weather: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

Warmer weather continues along with snow and rain • Apr. 10, 2025, 7:04 AM ET (CBS)

Videos

What's the difference between weather and climate?

What causes the seasons?

How do tornadoes form?

See how cloud formation near a low-pressure system or ongoing tropical storm fuels a hurricane

See All Videos →

Topics

weather modification fog cloud frost dew precipitation temperature inversion humidity air mass atmospheric pressure plate tectonics hydrosphere climate change earthquake population biosphere continental landform ocean ecosystem erosion

Dig Deeper: More Articles That Discuss This Topic

climate: Introduction

Key People

Samuel P. Langley.

Samuel Pierpont Langley

American engineer

Edward Lorenz

American meteorologist and mathematician

Quiz

Iceland, Glacier lagoon (Jokulsarlon)

Winter Weather Words Quiz

rain. Child in the rain, wearing a rain coat, under a yellow umbrella. April Showers weather climate rain storm water drops

April Showers to March’s Lions and Lambs

Archaea at Midway Geyser Basin in the Grand Prismatic Spring, Yellowstone National Park, Wyoming. Largest hot spring in Yellowstone, third largest in the world. Temp. 147-188F Dim. 250x380 ft. Archaeon, archeon, Yellowstone Geysers, algae

How the Earth Works: A Quiz

Lightning over a farm field. Weather electricity thunderstorm light energy tree

Facts You Should Know: Weather Quiz

Umbrella colored like a rainbow sticking out above a sea of black umbrellas while it rains. (storm, weather)

Weather Words Vocabulary Quiz

Thunderstorm cumulonimbus clouds above Montana. weather storm thunderstorm atmospheric disturbance cumulonimbus clouds thunder and lightning Homepage blog 2011, science and technology

Clouds and Cloud Types

List

Lightning over the outskirts of Oradea, Rom., during the thunderstorm of August 17, 2005.

16 Questions About Earth’s Atmsophere and Weather Answered

Demystified

Kansas tornado over field. (twister, strom, weather, clouds)

How Do Tornadoes Form?

Lightning over a farm field. Weather electricity thunderstorm light energy tree

Can Lightning Strike the Same Place Twice?

Average temperature in the United States during August 2016, weather

What’s the Difference Between Weather and Climate?