National

US forecasts blizzard, polar vortex, heat dome and atmospheric river all at once

Days of downpours have begun in Hawaii. The Southwest will soon bake with day after day of record 100-degree-plus (38 Celsius-plus) heat. Two storms will dump snow by the foot over northern Great Lakes states. And the dreaded polar vortex will again invade the Midwest and East with soul-crushing Arctic chill. This forecast of extremes comes as weather whiplash has already hit much of the East.

Uber’s women-only option goes nationwide in the US

Uber launched a feature Monday to allow both women riders and drivers across the U.S. to be matched with other women for trips, expanding a pilot program aimed at addressing concerns about the safety of its ride-hailing platform.