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warm front

noun

: an advancing edge of a warm air mass

Examples of warm front in a Sentence

An approaching warm front often means that rain is coming.
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.
Those are two of the primary ingredients needed to produce severe weather, and the other is a lifting mechanism, which came in the form of both a warm front and a cold front moving through the state. CBS News, 25 Nov. 2025 Fog will persist overnight, before lifting toward sunrise as a warm front lifts north of the area. Nc Weather Bot, Charlotte Observer, 22 Nov. 2025 On that calm Sunday morning on western Lake Superior, about 1,200 miles to the southwest, a long cold front was forming with a warm front attached to its northernmost end and an area of low atmospheric pressure nearby, just having come out of the Rocky Mountains. Keith Matheny, Freep.com, 2 Nov. 2025 Saturday’s rain sets the stage for possible flooding The weather service said more rain is expected on Saturday as a warm front is expected to stay south of the metro. Robert A. Cronkleton, Kansas City Star, 22 May 2025 See All Example Sentences for warm front

Word History

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of warm front was in 1921

Browse Nearby Words

Cite this Entry

“Warm front.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/warm%20front. Accessed 1 Dec. 2025.

Kids Definition

warm front

noun
: an advancing edge of a warm air mass

More from Merriam-Webster on warm front

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