Skip Navigation
NOAA logo - Click to go to the NOAA homepage National Weather Service Automated Flood Warning Systems NWS logo - Click to go to the NWS homepage
nav bar left
Adjacent Areas:
W Zoom Out
Precipitation Observations River Observations Quantitative Precipitation Estimates Other Information

Return to national map.

Click on the map or select one of the data views below:

168 total gauges
Show all locations with 70% or greater
flood forecast guidance (1)

Gauges Above Moderate Flood Stage1 Gauges: ≥ 90% FFG
Action Gauges0 Gauges: ≥ 70% FFG
Normal Gauges67 Gauges: < 70% FFG
No Flash Flood Guidance Available31 Gauges: No Flash Flood Guidance Available
Gauges with Data older than 24 hours68 Gauges: Observations older than 24 hours
Gauges out of service1 Gauges: Out of Service

Show all locations

Last map update:
04/26/2015 at 03:26:03 pm EDT
04/26/2015 19:26:03 UTC
What is UTC time?

Map Overlays

Resources Collapse
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

National Weather Service
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
Ask Questions/Webmaster
Page last modified: 7-Apr-2015 7:52 AM
Privacy Policy
About Us
Career Opportunities