The 21st OWS is responsible for producing and disseminating mission planning and execution weather analyses, terminal aerodrome forecasts, and briefings for Air Force, Army, SHAPE, EUCOM, AFRICOM, USAFE, USAREUR, SOCEUR, and NAVEUR forces operating at 491 DoD installations/sites encompassing 92 countries and 23M square miles within the Atlantic Ocean, Europe, Russia, Africa and the Middle East.

Reliable We will actively generate predictive weather and environmental analyses in support of the air, land, and maritime component commander in the planning and employment of Information Warfare capabilities.

Resilient We will foster a healthy and inclusive culture which starts with our front-line leaders setting the example and understanding the challenges the Airmen on their team face.

The lance carried by the knight denotes the squadron as the "tip" of weather forecasting services reaching into the theater to make a difference; the shield connotes the ability to safeguard those who may be in harm's way.

The wind anemometer within the shield is a standard trademark for Air Force weather personnel and a key tool for the craft.