Station Name: STILLWATER RIVER NEAR STERLING, MA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 423 feet

Nearest Address:
98 Dana Hill Rd
Sterling, MA 01564
Worcester County

GPS Coordinates: 42.41092507, -71.7911829

Nearby Water Temperatures

Heat Advisory issued May 18 at 12:57PM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Mon May 18, 2026, 12:57 PM
Expires: Tue May 19, 2026, 7:00 AM

* WHAT...Heat index values up to 96 expected. * WHERE...Much of Southern New England, except for the eastern slopes of the Berkshires, the Rhode Island and Massachusetts South Coast, Cape Cod and the Islands. * WHEN...From 11 AM Tuesday to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures, a moderate degree of humidity with little relief Tuesday night may cause heat illnesses. * ADDITIONAL DETAILS...This is the first multi-day period of hot temperatures. Those not yet accustomed to hot temperatures with a moderate degree of humidity should take appropriate heat-related precautions.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives, neighbors and pets. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Heat Advisory issued May 18 at 2:12PM EDT until May 19 at 8:00PM EDT by NWS Gray ME

Effective: Mon May 18, 2026, 2:12 PM
Expires: Tue May 19, 2026, 3:00 AM

* WHAT...Heat index values up to 95 expected. * WHERE...Western and Central Hillsborough, Eastern Hillsborough, and Interior Rockingham Counties. * WHEN...From 11 AM to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...It will remain warm Tuesday night as overnight lows only dip into the lower 70s.

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Air Quality Alert issued May 18 at 12:19PM EDT by NWS Boston/Norton MA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 12:19 PM
Expires: Mon May 18, 2026, 11:00 PM

The Rhode Island Department of Environmental Management has issued an Air Quality Alert Day for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Alert means that Ground Level Ozone concentrations within the region are expected to reach unhealthy levels. For additional information, please visit the Rhode Island Department of Environmental Management website at: https://dem.ri.gov/environmental-protection-bureau/air- resources/air-quality-forecast

Air Quality Alert issued May 18 at 11:18AM EDT by NWS Boston/Norton MA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 11:18 AM
Expires: Mon May 18, 2026, 11:00 PM

The Rhode Island Department of Environmental Management has issued an Air Quality Action Day for Ground Level Ozone and Fine Particulates, from 11 AM to 11 PM EDT Tuesday. An Air Quality Action day means that Ground Level Ozone and Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Rhode Island Department of Environmental Management website at: https://dem.ri.gov/

Air Quality Alert issued May 18 at 12:19PM EDT by NWS Boston/Norton MA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 12:19 PM
Expires: Mon May 18, 2026, 11:00 PM

The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, until 11 PM EDT this evening. An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/dep/massair/forecast