Boston celebrated MLK Day with light morning snow, followed by possible slick roads, and is expecting a sharp temperature drop with more cold and potential flurries ahead.

Baltimore is bracing for extremely cold temperatures and potentially significant winter storm this weekend, with residents advised to prepare for harsh conditions.

The NWS has issued a cold weather advisory for southeastern Indiana, southern Ohio, and northern Kentucky, warning of extreme cold and potential snowfall.

Memphis weather forecast includes sun, potential snow, and varied precipitation over the next week with fluctuating temperatures and chances of rain and freezing rain.

D.C. celebrated MLK Day with sunny skies; a cold night followed. A sunny, windy Tuesday is expected with midweek warming. Temperatures to peak near 50°F Thursday before a chilly weekend with potential snow.

Indianapolis faces extreme cold with wind chills down to -14°F. The NWS issued a Cold Weather Advisory, urging precautions against hypothermia, proper dressing, and pet safety.

Tampa Bay residents experience a cold Martin Luther King Day with wind chills around 34 degrees and highs near 60, while a warming trend is expected throughout the week with a slight chance of showers.

Charlotte's weather forecast includes clear skies, transitioning to potential rain and snow by the weekend with fluctuating temperatures throughout the week.

Austin's weather forecast promises a week of clear skies and mild temperatures, with highs in the low 60s to 70s, and a slight chance of showers midweek.

Los Angeles experiences steady, pleasant weather with sunny days and clear nights, with temperatures ranging from highs in the upper 70s to nighttime lows around 50 degrees.

Honolulu's weather is expected to change with southeast winds bringing warmer, more humid conditions and potential for increased rainfall midweek due to an approaching cold front.

The Las Vegas area expects a warm, sunny week with above-normal temperatures, clear skies, and several windy days. Conditions may briefly calm before winds increase again.

Sacramento wakes to haze and fog, with the National Weather Service predicting gradual clearing and light winds, highs in the high 50s to low 60s, and persistent patchy fog into the evening.