Knoxville's weather forecast predicts mild conditions, with sunny skies and highs in the mid-60s, turning to showers and potential thunderstorms by Friday, leading to a cooler, sunny start to the next week.

Freezing rain created icy conditions in Boston, with hazardous walking surfaces. The National Weather Service issued warnings, while temperatures were expected to rise later in the day.

Pittsburgh weather forecast indicates light precipitation ending, a dry spell, then more rain Friday; above-average temperatures will drop to normal after a cold front.

The NWS forecasts a clearing day in Indianapolis with a high of 51°F, turning partly cloudy tonight and a low of 37°F. Rain chances increase Thursday with gusty winds.

The National Weather Service in Nashville issued a Dense Fog Advisory for several counties, advising cautious driving due to reduced visibility. Later, sunny weather and showers are expected.

Dense fog in Orlando prompts a warning for motorists due to poor visibility, but warm, dry conditions are expected to follow, with a chance of record temperatures over the weekend.

High pressure will stabilize weather in Ohio, bringing milder temperatures of upper 40s to lower 50s, followed by rain and isolated thunderstorms Thursday into Saturday, and a cooler weekend.

Miami is set to enjoy warm weather with highs around 80 degrees and partly cloudy skies, though a front might bring showers and cooler temperatures by late Sunday.

The National Weather Service forecasts fog, clearing skies, moderate temperatures, and increasing rain chances towards the weekend for New York City boroughs.

Ohio and Pennsylvania face varied weather with lake-effect precipitation, fog, and a mix of rain and snow, followed by strong winds and unseasonal warmth, then returning to cold and potential snow showers.

Dense fog in Tampa prompts a National Weather Service advisory, urging caution during morning commute with low visibility; conditions expected to improve later in the day.

Washington D.C. experiences foggy conditions with subsequent clearing and mild temperatures, according to the National Weather Service, with rain expected Friday and Saturday, followed by a return to sunnier weather.

Baltimore is set to experience variable weather, with winds, fog, and fronts bringing changing conditions. A calmer Thursday will precede a windy and rainy weekend, with cooler weather to follow.