Red Flag Warning
2026-03-14T21:00:00-06:00

* AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251. * TIMING...From 11 AM to 9 PM MDT Saturday. * WINDS...West winds 20 to 35 mph with gusts 35 to 60 mph, strongest west of I-25 mid to late afternoon. * RELATIVE HUMIDITY...As low as 7 to 14%. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.


NORTH NASHUA RIVER

Last Updated: March 14, 2026

Get the latest River Levels, Streamflow, and Hydrology for in River flows across 2 streamgages of the North Nashua River


Summary

Total streamflow across the North Nashua River was last observed at 1,147 cfs, and is expected to yield approximately 2,275 acre-ft of water today; about 186% of normal. River levels are high. Average streamflow for this time of year is 617 cfs, with recent peaks last observed on 2017-10-30 when daily discharge volume was observed at 7,260 cfs.

Maximum discharge along the river is currently at the North Nashua River Near Leominster reporting a streamflow rate of 691 cfs. This is also the highest stage along the North Nashua River, with a gauge stage of 4.92 ft at this location. This river is monitored from 2 different streamgauging stations along the North Nashua River, the highest being situated at an altitude of 399 ft, the North Nashua River At Fitchburg.




15-Day Weather Outlook


River Details

Last Updated 2026-03-13
Discharge Volume 2,275 ACRE-FT
Streamflow 1,147.0 cfs
-83.0 cfs (-6.75%)
Percent of Normal 185.98%
Maximum 7,260.0 cfs
2017-10-30
Seasonal Avg cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
North Nashua River At Fitchburg
USGS 01094400
456 cfs 4.29 ft -7.51
North Nashua River Near Leominster
USGS 01094500
691 cfs 4.92 ft -6.24
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

It begins in Ashburnham and flows through Ashby, Fitchburg, Leominster, and Lancaster before joining the Nashua River in Lancaster. The river has a long history of industrial use, particularly in the textile industry. The hydrology of the river has been affected by damming and water diversion for industry and agriculture. The river is home to several reservoirs, including the Fitchburg Reservoir and the Lancaster Reservoir, which provide drinking water to surrounding communities. Recreational activities on the river include fishing, canoeing, and kayaking. Agriculture along the river includes dairy farms and apple orchards. The river has been subject to pollution and efforts are being made to improve water quality through conservation and restoration efforts.