According to Hawaii News Now, the weather forecast for Hawaii Island indicates light winds and pop-up showers over the weekend. The conditions are expected to be relatively calm, with occasional showers developing due to the light wind patterns. These showers may occur sporadically, affecting different areas at different times. The forecast suggests that the weather will be generally mild, with no significant storms or severe weather events anticipated. Residents and visitors should be prepared for brief periods of rain, but overall, the weather is expected to be manageable for outdoor activities.