Lake Effect Snow Warning Issued for Northwest Pennsylvania Through Monday

A lake effect snow warning is now in effect for parts of northwest Pennsylvania from Saturday morning through Monday morning. The National Weather Service said heavy snow bands could bring significant accumulation and dangerous travel conditions.

The warning covers northern and southern Erie County and Crawford County. Officials said the heaviest snowfall is expected from Saturday through early Sunday, with conditions gradually shifting inland.

Lake Effect Snow Warning Details for Erie and Crawford Counties

The National Weather Service issued the lake effect snow warning at 1:14 p.m. on Friday, December 12. The alert begins at 7 a.m. Saturday, December 13, and remains active until 7 a.m. Monday, December 15.

Forecasters expect total snow accumulations between 6 and 14 inches. The highest totals are forecast across southern Erie County, where persistent snow bands could remain in place for several hours.

Areas near Lake Erie, including the city of Erie, are expected to receive between 6 and 10 inches of snow. Snowfall rates may reach up to 1 inch per hour late Saturday and Saturday night when bands intensify.

The heaviest snow is forecast along the Interstate 90 corridor and locations closest to the Lake Erie shoreline through Saturday afternoon. By late Saturday into early Monday, the snow is expected to shift inland toward Crawford County.

During the second phase of the event, accumulations may be lower along and north of I-90. Inland areas, especially higher terrain in Crawford County, could still see steady snowfall through early Monday.

The National Weather Service warned that lake effect snow can vary sharply over short distances. Some communities may see significantly higher totals than nearby locations depending on band placement.

Travel Risks and Regional Impact Through the Weekend

Travel conditions are expected to deteriorate quickly during periods of heavy snow. Officials warned of sharply reduced visibility and snow-covered roads, particularly during peak snowfall Saturday evening.

The Pennsylvania Department of Transportation urged motorists to delay unnecessary travel during the warning period. Snow-covered highways, including I-90, could become hazardous with little notice.

Emergency officials advised drivers to carry essential supplies if travel is unavoidable. Recommended items include a flashlight, food, water, and warm clothing in case vehicles become stranded.

Lake effect snow events can cause rapid changes in road conditions. Clear stretches of highway may quickly turn dangerous as snow bands move or redevelop.

Local road crews are preparing for extended snow removal operations through the weekend. Plow response times may vary depending on snowfall intensity and visibility.

The lake effect snow warning underscores the potential for prolonged winter conditions across northwest Pennsylvania. Residents are urged to monitor forecasts closely and use caution through Monday morning.

FYI (keeping you in the loop)-

Q1: What areas are under the lake effect snow warning?

The warning includes northern Erie County, southern Erie County, and Crawford County. Areas near Lake Erie and inland communities will both be affected.

Q2: How much snow is expected during the warning?

Total snowfall is forecast between 6 and 14 inches. Southern Erie County could see the highest accumulations.

Q3: When will the snow be the heaviest?

The heaviest snow is expected Saturday afternoon through Saturday night. Snow rates may reach 1 inch per hour during that time.

Q4: Why is lake effect snow dangerous for travel?

Lake effect snow can create sudden whiteout conditions and rapidly changing road surfaces. Visibility and traction may drop with little warning.

Q5: When is the warning expected to end?

The lake effect snow warning remains in effect until 7 a.m. Monday, December 15. Conditions may improve gradually after that time.