---
title: "significant weather — aviation glossary — OnlyPlanes"
description: "SIGWX stands for significant weather in FAA terminology."
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locale: en
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Aviation abbreviation

# significant weather

SIGWX

ABBR · Meteorology

At a glance

## Meaning of significant weather

SIGWX stands for significant weather in FAA terminology.

### More about significant weather

This abbreviation is used in aviation weather. The English reference lists significant weather with the abbreviation SIGWX.

FAA abbreviations reflect US aviation usage. Their meaning and permitted use can differ in documents from other countries.

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