Forecast Weather Map
Depicts weather predicted for ground level without regard to elevation or altitude.
Weather differs at altitude, and affects the weather at the surface. For maps of higher altitudes, check the computer models.
TIME on the map is given in Greenwich Mean Time (Z) in military format. Subtract 5 hours for Eastern Standard Time.
Current | 12 Hour | 24 Hour | 36 Hour | 48 Hour | 3-day | 4-day | 5-day | 6-day

source: National Weather Service

For Layman's weathermap legend view the North America Surface Map