An Arctic front is bringing light snow and potential record-low temperatures to the Pittsburgh area, with travel impacts expected during the morning commute.

Freezing fog caused hazardous travel conditions in Knoxville; an advisory was issued with warnings of low visibility and icy roads. The weather is expected to remain cloudy with rain and possible light snow in surrounding areas.

Atlanta faces a rainy period, with a 30% chance of showers today and 100% tonight, as per the National Weather Service. Rain continues through the weekend with temperatures around 40-52 degrees.

Orlando's weekend weather will see mild temperatures with a cooling trend and potential showers and lightning by early next week. Conditions are favorable for mariners, with clear skies for aviation and a post-frontal cool-down expected by next week.

Charlotte residents are advised to keep umbrellas handy due to frequent rain in the forecast, including a 90% chance of precipitation by midnight and continued wet conditions throughout the week.

The D.C. area will experience clearer skies today with a high of 44°F, followed by light snow and colder weather over the weekend, as per the National Weather Service.

St. Louis experiences cold weather with a morning temperature of 18°F and wind chill at 4°F. The NWS forecasts a slight warm-up with highs reaching 23°F and a partly cloudy evening.

Philadelphia's weather will be sunny with a strong northwest breeze today. Gusts may reach 25 mph, with a high near 40 degrees. Nighttime will drop to around 20 degrees. The weekend may bring snow and freezing rain.

Indianapolis faces light snow, fog, and a wind chill of 16°F, with visibility at five miles and an expected temperature drop tonight.

Cleveland faces extreme cold with single-digit temperatures and potential light snow due to an Arctic cold front, as forecasted by the National Weather Service.

The NWS Wilmington OH updated that the Ohio Valley, including Columbus and Cincinnati, will experience light snow, low temperatures, and potential snow accumulations with clearer skies expected later in the day.

The article details the National Weather Service's weather forecast for Baltimore, including a cold front with possible snow showers and strong winds, colder nights, and a Winter Weather Advisory for Central Virginia.

Tampa's forecast includes sunny skies and mild temps, with a high near 80 degrees and light winds, shifting to a slight chance of showers over the weekend.