The City of Sierra Madre has issued a Green Flag Alert for mudslides and debris flows in the hillside communities. The National Weather Service has forecasted 80% to 100% chance of precipitation for tomorrow and through the night.
A Green Flag Alert is issued when there is an 80% chance or more of precipitation. Affected residents should get ready for potential evacuation and keep close watch on weather forecasts. This includes residents of the Upper and Lower Canyon as well as any resident whose property abuts the hillsides.