Web Portal Changes:
Please visit https://www.weather.gov/owp/operations for more information.
Latitude: 43.250800° N, Longitude: 71.732700° W, Horizontal Datum: NAD83/WGS84
Current/Historical Observations:
Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.
See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.
Click individual graphics to enlarge.