How often should pilots check weather conditions before a flight?

Pilots should check weather conditions shortly before departure and continuously monitor for updates to ensure safe flight operations. Weather can change rapidly, affecting flight safety, route planning, and fuel management. By checking the weather shortly before departure, pilots can make informed decisions about their flight plan, including potential alternative routes or adjustments needed for safety. Continuous monitoring during the flight allows pilots to stay updated on any developing weather conditions, such as turbulence, thunderstorms, or changes in winds, which could impact the flight. This proactive approach to weather awareness is critical in aviation to mitigate risks and enhance safety.