2026-04-18T08:00:00-06:00
* WHAT...Prolonged sub-freezing temperatures reaching 18 to 25 degrees. * WHERE...All of the Front Range urban corridor and northeast plains. * WHEN...From Friday evening through Saturday morning. * IMPACTS...If not drained or protected, damage to above ground irrigation lines will be possible. Freeze conditions could kill sensitive vegetation.
Ammonoosuc River
Last Updated: April 15, 2026
Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Ammonoosuc River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Ammonoosuc River, the highest being situated at an altitude of ft, the .
The Ammonoosuc River is located in New Hampshire, USA.
15-Day Long Term Forecast
River Streamflow Levels
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Ammonoosuc River At Bethlehem Junction
USGS 01137500 |
1530 cfs | 5.06 ft | 83.01 |
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile
The Ammonoosuc River is a river, 55 mi (89 km) long, in northwestern New Hampshire in the United States. It is a tributary of the Connecticut River, which flows to Long Island Sound. "Ammonoosuc" is Abnaki for "small, narrow fishing place".The Ammonoosuc rises on the western slope of Mount Washington, in Sargent's Purchase in the White Mountains of southern Coos County. One branch of the river is the outlet of the Lakes of the Clouds in the saddle between Mount Washington and Mount Monroe. Leaving the vicinity of the Presidential Range, the river flows westwardly into Grafton County, where it turns southwestwardly. Along its course the Ammonoosuc passes through Chandler's Purchase, Bean's Grant, and Crawford's Purchase; and the towns of Carroll, Bethlehem, Littleton, Lisbon, Landaff, Bath, and Haverhill to the village of Woodsville, where it flows into the Connecticut River. It collects the Gale River in Lisbon, and the Wild Ammonoosuc River in Bath.
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