A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms from the mid-Mississippi River Valley to the Mid-Atlantic on Thursday. Abundant moisture will allow occasionally heavy rainfall. Flash Flood Watches are in effect in these areas. Severe thunderstorms with damaging wind gusts and large hail will also be possible in this same area. Read More >
River levels and flood conditions.
Current obserations from NOAA's geostationary satellites.
Observed precipitation over a 24 hour period
Snow analyses for water equivalent, depth, snowpack temperature, and snow melt.
Upper air observations from radiosonde stations in North America, Pacific Islands, and Caribbean.
Daily maximum and minimum temperatures, snowfall, and 24-hour precipitation totals, as observed by a network of volunteer observers.
Atmospheric and oceanographic conditions reported from a global network of data collecting buoys.