The nation's weather
Weather UndergroundSnow showers were expected to diminish over the Great Lakes as precipitation strengthened over the Pacific Northwest on Tuesday.
A low pressure system spinning off the West Coast was expected to continue approaching land and push a cold front over Washington and Oregon, extending into northern California. With high temperatures expected in the mid-40s, the front could trigger up to an inch and a half of rain and snow at higher elevations.
Between 4 and 6 inches of snow was expected in the Cascades, while between 5 and 9 inches were forecast for the Sierra Nevadas. Strong winds were expected to accompany the system with gusts up to 55 miles per hour in the mountains. Dangerous road conditions were anticipated.
In the Central U.S., a low pressure system that dipped into the Great Lakes from Canada and brought like snow to the region was forecast Tuesday to move northeast. A few lingering snow showers were anticipated in the morning over the lower Great Lakes, but accumulation was expected to remain less than a inch.
High pressure was forecast for the rest of the U.S. and was expected to bring sunshine to the Plains, the Mississippi River Valley and the Gulf States. The Northern Plains could see high temperatures near 30 degrees, while the South was expected to return to the 50s.
On Monday, temperatures in the Lower 48 states ranged from a low of negative 18 degrees at Kremmling, Colo., to a high of 82 degrees at Palmdale, Calif.