thun·​der·​storm | \ ˈthən-dər-ˌstȯrm How to pronounce thunderstorm (audio) \

Definition of thunderstorm

: a storm accompanied by lightning and thunder

Examples of thunderstorm in a Sentence

There are thunderstorms in the forecast. The weather service has issued a severe thunderstorm warning.

Recent Examples on the Web

A week of wild weather continues in Portland as the area braces for more heavy rain and thunderstorms. oregonlive, "Portland theater box office floods Tuesday as area braces for more heavy rain," 10 Sep. 2019 The front is expected to be in the area until Thursday, bringing warm temperatures, humidity and periodic chances of rain and thunderstorms, Mott said. Marie Fazio,, "Rain, heat to dominate in Chicago area until weekend," 10 Sep. 2019 Scattered rain and thunderstorms could also hit parts of the area, particularly along and east of the I-45 corridor, according to the weather service. Jasper Scherer, Houston Chronicle, "Heat advisory in effect Saturday in Houston, surrounding area," 17 Aug. 2019 Expect rain and thunderstorms to linger over Massachusetts Thursday, with potential for a few heavy downpours in the Boston area, the weather service said. Alyssa Lukpat,, "Fires, floods, downed trees in Wednesday’s thunderstorms," 18 July 2019 Bouts of rain and thunderstorms are expected in Bridgeport throughout the weekend along with high temperatures, according to the National Weather Service. Char Adams,, "Connecticut Man, 21, Dead After Large Tree Branch Struck by Lightning Falls Onto His Car," 18 July 2019 With rain and thunderstorms on the horizon all week, outdoor festivities face the decision of how to handle the weather. Sarah Horne,, "Big plans for the 4th of July? What to expect with rain and how that impacts events," 2 July 2019 Subscribe to the Wake Up,’s free morning newsletter, delivered to your inbox weekdays at 5:30 a.m. Weather Heavy rain and thunderstorms are expected throughout the day in the Cleveland area, leading to concerns about flash flooding. Cliff Pinckard,, "5G cellular networks coming to Cleveland: The Wake Up for Thursday, June 20, 2019," 20 June 2019 Highs today on the Gulf Coast are expected to be upper 80s, with lows in the mid-70s with chances of rain and thunderstorms. Leada Gore |,, "Latest beach conditions: Water closed at Panama City Beach, Destin; double red flags posted," 10 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thunderstorm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of thunderstorm

1652, in the meaning defined above

Keep scrolling for more

Learn More about thunderstorm

Statistics for thunderstorm

Last Updated

14 Sep 2019

Look-up Popularity

Time Traveler for thunderstorm

The first known use of thunderstorm was in 1652

See more words from the same year

Keep scrolling for more

More Definitions for thunderstorm



English Language Learners Definition of thunderstorm

: a storm with lightning and thunder


thun·​der·​storm | \ ˈthən-dər-ˌstȯrm How to pronounce thunderstorm (audio) \

Kids Definition of thunderstorm

: a storm with thunder and lightning

Keep scrolling for more

Comments on thunderstorm

What made you want to look up thunderstorm? Please tell us where you read or heard it (including the quote, if possible).


concealment of treason or felony

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!