Millions of people in Japan are bracing for the approach of Typhoon Wipha and the expected destructive winds and life-threatening flooding.
An early-season snowstorm is taking shape for the northern Plains and perhaps the Upper Midwest late in the week.
The battle between tropical waves and dry air in the Atlantic may let up in late August, leading to an uptick in stronger tropical systems.
Seasonal allergies will be in full swing this week in the Northeast as seasonable temperatures take hold.
Southwest cities will see surging temperatures, hitting the 90s in some places, for the end of the workweek.