Weather Underground Forecast for Wednesday, April 16, 2014
A pair of cold frontal boundaries will extend across the Intermountain West and the Plains on Wednesday, while high pressure will build over the Eastern Seaboard.
A cold frontal boundary will stretch from the Pacific Northwest to the northern Plains on Wednesday. An area of low pressure along the eastern end of the frontal boundary will usher a mixture of rain and snow across the central third of the country. A swath of heavy snow is expected over Minnesota, Wisconsin and the western Great Lakes, while a mixture of heavy rain and snow will develop across the central Plains and the Middle Mississippi Valley. Meanwhile, an onshore flow from the Pacific will bring unsettled weather to the Pacific Northwest. Rainy conditions can be expected over Washington and Oregon, while high elevation snow showers will move across the Cascades and the northern Rockies. A separate cold front will extend from Nevada to Colorado, providing a mixture of rain and snow to the central Rockies. The Desert Southwest will stay mostly clear of precipitation on Wednesday.
The majority of the East Coast will experience cold, sunny conditions as a ridge of high pressure builds over the Mid-Atlantic. Early morning snow will be possible across northeastern New England, while early morning showers will linger over parts of Florida.
Temperatures in the Lower 48 states Tuesday have ranged from a morning low of 1 degrees at Crane Lake, Minn. to a high of 91 degrees at Immokalee, Fla.