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

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

More showers, however, will redevelop into the afternoon as the heat of the day builds and a warm front lifts north through the region. — Bill Kelly, CBS News, 5 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

Weather officials warned of a warm front moving through north central and northeast Illinois possibly creating nasty weather of thunderstorms, damaging winds and large hail. — Deanese Williams-Harris, Chicago Tribune, 3 Apr. 2026

Word History

First Known Use

1921, in the meaning defined above

Rhymes for warm front

• affront
• confront
• exeunt
• forefront
• lakefront
• manhunt
• sederunt
• upfront
• battlefront
• oceanfront
• riverfront
• waterfront

Kids Definition

warm front

noun

: an advancing edge of a warm air mass