A guide to El Nino and the Arctic and Eastern Pacific Oscillations.
Major bragging rights are on the line.
A year-long photo documentary of the Tidal Basin's evolving landscape.
The chance of a crippling snow event, while always slim, will be somewhat elevated this year.
There are few places in a big city like Rock Creek Park in autumn.
At 2 a.m. on Halloween night, let your clocks fall back one hour to return to standard time.
High temperatures are forecast to be in the low-to-mid 70s on Wednesday and Thursday, 5-10 degrees above normal.
Beneficial rains for Southern California and a much less severe winter in the northeastern U.S. headline the NWS winter outlook.
Siberian snow cover is off to a fast start which may favor another cold winter for the East.
Last year the persimmons were basically correct in their forecast, but we remain skeptical.