thunderstorm

noun

thun·​der·​storm ˈthən-dər-ˌstȯrm How to pronounce thunderstorm (audio)
Synonyms of thunderstormnext
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Local forecasts show that heavy thunderstorms could descend on Daytona International Speedway on Sunday evening — which would punctuate a week of exclusively sunny weather. Alex Zietlow, Charlotte Observer, 14 Feb. 2026 Earlier in the afternoon, the National Weather Service issued a severe thunderstorm warning for portions of southeastern Dallas County into Saturday afternoon, with storms capable of producing 60 mph wind gusts and hail up to penny size, officials say. Julia James, Dallas Morning News, 14 Feb. 2026 The likelihood of lightning increases as a thunderstorm gets closer and reaches its highest point when the storm is directly overhead. Star-Telegram Weather Bot, Fort Worth Star-Telegram, 14 Feb. 2026 The atmospheric setup will have enough instability to spark several rounds of rain and thunderstorms throughout the day — starting mainly north of Austin in the morning before expanding southward into more of Central Texas by the afternoon. Mary Wasson, Austin American Statesman, 14 Feb. 2026 See All Example Sentences for thunderstorm

Word History

First Known Use

1652, in the meaning defined above

Time Traveler
The first known use of thunderstorm was in 1652

Browse Nearby Words

Cite this Entry

“Thunderstorm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thunderstorm. Accessed 21 Feb. 2026.

Kids Definition

thunderstorm

noun
thun·​der·​storm -ˌstȯ(ə)rm How to pronounce thunderstorm (audio)
: a storm accompanied by lightning and thunder
Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

More from Merriam-Webster