This weather forecast outlines several significant weather events across various regions:
- Heavy Snow:
- Sierra Nevada Mountains: Heavy snowfall is expected in this region.
- Higher elevations of Wyoming, Colorado, Utah: These areas will also experience heavy snowfall.
- Northern Maine: Heavy snow is forecasted in this area as well.
- Light to Moderate Snow:
- Upper Midwest: Parts of this region will experience light to moderate snowfall.
- Excessive Rainfall:
- Southern California: A slight risk of excessive rainfall is forecasted for Friday and Saturday. This heavy rain may lead to localized flash flooding, particularly affecting urban areas, roads, small streams, and burn scars.
- Northern Maine: There is also a slight risk of excessive rainfall on Friday.
- Upper-Level Low:
- Off the Northwest Coast, an upper-level low will develop and move southward towards Southern California by Sunday. This low will bring moisture inland, resulting in coastal rain in the Pacific Northwest and rain/snow in California.
- Energy in the Northern Tier States:
- Energy moving eastward across the Great Lakes into the Northeast will produce light to moderate snow over the Northern Tier States into the Great Lakes through Sunday.
- Showers and thunderstorms are expected over the Upper/Middle Mississippi Valley and Great Lakes/Ohio Valley by Friday evening into Sunday.
- Low Pressure off the Northeast Coast:
- A low-pressure system off the Northeast Coast will move northward into Eastern Canada by Saturday evening. This will lead to heavy rain along the Maine Coast, with a slight risk of excessive rainfall.
- Heavy Snow in Northern Maine:
- Heavy snow is expected over parts of Northern Maine through Saturday morning, lingering into Sunday.
Overall, the forecast highlights a variety of weather hazards across different regions, including heavy snow, excessive rainfall, and the potential for flash flooding. Residents and travelers in these areas should stay informed and take necessary precautions.