The best odds of snow accumulation continue through around 1 a.m., but scattered snow showers may linger.
Weather WallFor Interactive, National, and Storm maps:
1. The maps allow you to turn on and off radar, current conditions, alerts,
storm reports, and many more. They may take a few seconds to load.
2. These maps also enable you to zoom down to neighborhood and even
street-level to get the latest weather conditions. Use the control
with "+" and "-" symbols on the left to zoom in and out, or double
click to zoom in on any location.
3. Click and hold down mouse button
while dragging mouse to pan map in any
4. To view all the map
controls, mouse over the black bar across the top.
5. If you want to
switch locations using a Zip code, city name or
address, click on the
6. To stop or animate satellite or radar imagery, hit
the "||" (stop) or
"►" (play) control on the left side, above the
D.C. Area Weather Meters
The D.C. Area Weather Meters provide a snapshot into a range of health and lifestyle weather-related impacts.
• The Air Quality Index is provided daily by the U.S. EPA. There are six categories: good, moderate, unhealthy for sensitive groups (displayed as: Unhealthy SG), unhealthy, very unhealthy & hazardous.
• The UV Index is provided daily by the U.S. EPA and National Weather Service. It indicates the strength of UV radiation as forecast around 1 p.m. There are five categories: low, moderate, high, very high & extreme.
• The Golf Comfort Index is a real-time index of golf comfort from the Capital Weather Gang based on temperature, precipitation and wind. There are three categories: good, fair & bad.
• The Hair Quality Index is a real-time index of hair quality from the Capital Weather Gang based on humidity, wind, and precipitation. There are three categories: good, fair & bad.
• The Flu Pollen index indicates pollen levels: none, sporadic, local, regional & widespread.
Today in Weather History
The Washington and Jefferson Snowstorm (begins), 1772. Two to three feet of snow would fall over Virginia and Maryland.