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    Where the Canada wildfire smoke is headed next

    01:13
  • N.J. governor urges residents to ‘stay inside’ amid wildfire smoke

    01:55
  • Philadelphia travelers wear face masks amid poor air quality

    02:40
  • When could air quality across parts of the U.S. improve?

    03:23
  • Air quality and weather forecast for Thursday, June 8

    02:10
  • Canada's uncontrolled wildfires spread across the country

    01:03
  • New York City mayor urges residents to stay indoors due to 'hazardous' air quality

    00:54
  • How to better protect yourself from the health effects of wildfire smoke

    03:31
  • US skies filled with haze from Canada wildfires

    05:44
  • New York City afternoon skies get an orange tinge due to Canadian wildfires

    00:44
  • Parts of Florida under flood alert as Arlene brings heavy wind and rain

    01:32
  • Texas slammed with severe weather and tornadoes

    01:51
  • Western Texas slammed with severe flooding

    01:32
  • Air quality concerns rise in US amid Canadian wildfires

    02:00
  • Canadian wildfires prompt air quality advisories in US

    01:48
  • State Farm no longer accepting property insurance applications in California

    01:59
  • Memorial Day weekend forecast: Where will it rain?

    01:31
  • Massive typhoon slams Guam

    01:14
  • Typhoon Mawar barrels into Guam as a powerful Category 4 storm

    00:49
  • Guam prepares for typhoon Mawar

    00:55

Winter storm’s second punch to hit millions

03:39

A big winter storm is taking aim at a large swath of the country, with winter weather advisories posted Monday night from Washington to Philadelphia to New York. NBC’s Tom Costello reports and the Weather Channel’s Mike Seidel has the forecast.