Blue skies of today will give way to blue skies of tomorrow. In between, a cold front passes mostly uneventfully.
Surfers are flocking to the shores in southern California and the Mid-Atlantic as large waves are breaking from hurricanes Marie and Cristobal.
Neptune is having a busy week, with opposition, the silver anniversary of its encounter with Voyager 2, and the fly-by of NASA's New Horizons spacecraft.
The aurora dipped as far south as Michigan and Wisconsin on Tuesday night, and intense displays of northern lights were seen at higher latitudes.
At first glance you might think that this flies in the face of the basic safety rule: when thunder roars go indoors.
As the Labor Day weekend fast approaches, summer tries to hit its stride.
Highs will reach the 90 degree mark on Wednesday, with a slightly muggy feeling as southerly winds pump in that warm, moist air.
Ten to 15 foot waves are possible along the southern California shoreline from Tuesday afternoon through Wednesday.
It's been a slow hurricane season so far this year, but things might be heating up in the tropics, with one active hurricane and three areas to watch over the coming days.
The National Weather Service's website, weather.gov, was made inaccessible for most of Monday afternoon and evening by a flood of data requests from a non-Weather Service Android app.