• East Coast: Showers and thunderstorms expected in the Northeast due to a merging Canadian cold front, with moderate rainfall and daily thunderstorms in Florida.
• West Coast: Central Rockies and High Plains may experience locally heavier rain from post-frontal upslope flow, posing an isolated flash flood risk.
• Residents in both regions are advised to stay informed via weather apps and local news, and to prepare for potential disruptions and emergencies.