Overview
- In parts of New England, a quick-hitting system Tuesday morning will bring brief wet snow and rain with little accumulation and a mainly wet commute.
- In the Bay Area, a Gulf of Alaska trough and a Wednesday cold front set up rain chances Thursday and Friday with a 10–20% thunderstorm risk that could trigger localized downpours and isolated flooding.
- Northern California mountains look wetter late week with showers and a few thunderstorms and snow levels holding above about 7,500 feet, while valley rainfall stays light.
- In the Ohio Valley and Great Lakes, chilly mornings Tuesday and Wednesday could bring frost before highs surge back into the 70s and even low 80s by the weekend.
- Across Colorado, a mild start gives way to increasing moisture and better chances for rain and mountain snow by late week, highlighting the broader spring pattern turn toward cooler and wetter weather.