Overview
- Forecasters monitor a level 2 of 5 severe weather risk across parts of Kentucky, Indiana, Ohio and Illinois today, with discrete supercells possible this afternoon before a damaging wind line develops tonight.
- Dense fog reduced visibility to under a quarter-mile in several areas and the New York State DEC issued an air quality alert for fine particulate matter, advising sensitive groups to limit strenuous outdoor activity.
- Rain spreads east tonight into Friday before colder air flips precipitation to snow across New England, with central and southern New Hampshire forecast for roughly 4 to 8 inches and parts of Massachusetts closer to 1 to 3 inches.
- Rapid warming followed by rain is raising hydrologic concerns, with local meteorologists highlighting ice jam and river flooding risks in places such as Northeast Ohio as temperatures fall and runoff increases.
- Southern California faces another Pacific storm with wind advisories, high surf and significant mountain snow; the NWS warns of gusts up to about 70 mph and additional snowfall in the San Bernardino County mountains, with travel delays possible on I-5 and I-15.