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.
More storms are possible Wednesday, depending on the timing of a cold front moving in and pushing a warm front south. — Hope Karnopp, jsonline.com, 30 Aug. 2026 Humidity returns Thursday as a warm front lifts through the region. — Bill Kelly, CBS News, 25 Aug. 2026 In contrast, rain from warm fronts, which occur when warm air moves into a region of colder air, tends to come from long, thin clouds that aren’t as affected by city spikiness, although they may be slightly intensified by urban heat. — Damien Pine, Scientific American, 6 Aug. 2026 Another round of showers and thunderstorms moves through the Kansas City area Thursday evening as a warm front lifts north. — Kansas City Star, 7 July 2026 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

Rhymes for warm front

See All Rhymes for warm front

Browse Nearby Words

warm feeling
warm front
warmful
See all Nearby Words

Cite this Entry

“Warm front.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/warm%20front. Accessed 1 Sep. 2026.

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Kids Definition

warm front

noun
: an advancing edge of a warm air mass

More from Merriam-Webster on warm front

Britannica.com: Encyclopedia article about warm front

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