The major storm is set to hit starting on Jan. 23 and will stretch into the weekend, spreading snow and ice from the southern Plains to the Northeast.

Track all current severe weather warnings, watches and advisories for Cambridge on the interactive weather alerts page.

That snowflake icon on your smartphone app might be quick and handy — it just might not be as accurate as a human when the weather gets rough.

Winter storm warnings and advisories extended from Montana to Ohio, the National Weather Service said. Forecasters warned there could be airport delays and slowed traffic with snow falling at more than an inch per hour in some areas. More than 100 homes have been damaged after a tornado touched down in a residential area outside Houston.