A powerful atmospheric river is bringing heavy rain and feet of mountain snow to the West Coast, and it’s this energy that will arrive to New England on Thursday.
West Coast Weather Impacts
- Snowfall Totals: Up to 6 feet in the high elevations of the Sierra Nevada, with 2–3 feet in the Rockies.
- Rainfall Totals: A month’s worth of rain will fall in parts of Northern and Central California, with localized flooding and mudslide risks due to widespread 2–4 inches of rain, and some spots seeing 6 inches.
How This Impacts New England
As the storm moves east, it will bring a sharp temperature contrast—cold air to the north, milder air to the south—creating a battleground for snow, sleet, and rain.
Timeline:
- Tuesday-Wednesday: Cold air locks in across New England, with highs in the 20s and 30s.
- Thursday Morning: Snow moves into the region, impacting the morning commute.
- Thursday Afternoon-Evening: Some mixing possible, depending on track. Greatest chance of changeover in southern New England.
- Friday: Quieter, but lingering snow showers in the mountains.
- Saturday: Another system may bring more snow to start before a potential mix develops.
How Much Snow?
While it’s still too early for an exact snowfall map, early estimates suggest:
- 2–4 inches for central/northern New England
- Coating to 2 inches for Southern New England
- Rain/snow line still uncertain
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