A strong area of low pressure will bring snow to the Plains and Midwest on Tuesday. Snow is expected across portions of Washington through Wednesday morning. Elevated winds and seas are expected across the Gulf of Mexico through Thursday afternoon in association with a cold front.

• Snow Tuesday across the Plains and Midwest 
• Potential for Snow across the Pacific Northwest Tuesday into Wednesday
• Elevated Winds and Seas through Thursday Afternoon across the Gulf of Mexico
• Thunderstorms for the Florida Panhandle on Wednesday
• Snow Wednesday across the Northeast

US Hazards

Moderate to heavy snow is likely from southeastern Nebraska into central Wisconsin as an area of low pressure moves across the region. Snow accumulations will range 4-8 inches with locally higher amounts in excess of a foot. In addition, gusty winds are expected on the back side of the low, resulting in blowing snow and reduced visibility. As the system moves out of the Rockies, blizzard conditions are forecast with winds up to 50 mph. 

Major Cities in Region: Omaha, NE, Des Moines, IA, Madison, WI, Green Bay, WI

Snow Accumulation for Tuesday

Potential for Snow across the Pacific Northwest Tuesday into Wednesday
An area of low pressure off the coast will begin to move onshore today, bringing strong southerly flow and moisture over the mountains. In the lower elevations, precipitation will begin as rain before transitioning to a wintry mix. Snow accumulations of 2-4 inches with locally higher amounts in excess of 6 inches are forecast. In the higher elevations, snow accumulations will range 4-8 inches with locally higher amounts in excess of a foot. Wind gusts in excess of 25 mph will result in low visibilities and hazardous travel conditions. 

Major Cities in Region: Spokane, WA

Snow Accumulation through Wednesday

Elevated Winds and Seas through Thursday Afternoon across the Gulf of Mexico
A cold front is expected to move across the region Wednesday morning, leading to elevated winds and seas. Ahead of the front, winds will be southerly to southwesterly at 15-20 knots. Behind the front, winds will be northerly to northwesterly at 30-35 knots with gusts in excess of 40 knots, Seas will range 7-11 feet near the shore and 10-14 feet in the deeper waters. Strong to severe thunderstorms may develop along the front, leading to locally enhanced winds and seas. Winds and seas are expected to subside Thursday afternoon.

Winds and Wave Heights 6am CST Wednesday

Thunderstorms for the Florida Panhandle on Wednesday
A cold front will move into the region on Wednesday, resulting in widespread shower and thunderstorm activity. The main risk will be along and ahead of the cold front as it moves eastward. Damaging winds and an isolated tornado will be the primary hazards with these storms. 

Major Cities in Region: Pensacola, FL, Tallahassee, FL

SPC Convective Outlook for Wednesday

Snow Wednesday across the Northeast
By Wednesday afternoon, the system impacting the Midwest today will begin to move into the Northeast, bringing heavy snow and freezing rain to the region. Freezing rain accumulations up to 0.10 inch are expected. Snow accumulations of 2-4 inches with locally higher amounts in excess of 6 inches are forecast. 

Major Cities in Region: Buffalo, NY, Syracuse, NY, Burlington, VT

Snow and Ice Accumulation for Wednesday

A Look Ahead
Light snow may develop across the Northern Plains on Friday as an area of low pressure moves across the region. On Saturday, this snow will move into the Mid Mississippi Valley. Another round of snow may develop across the Northern Plains and Upper Midwest on Sunday as a second area of low pressure intensifies. Heavy snow is forecast across the Great Lakes on Monday.