Station Name: SULTAN RIVER BELOW DIVERSION DAM NEAR SULTAN, WA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 712 feet / 217 meters

Nearest Address:
Diversion Dam Rd
Lake Roesiger, WA 98294
Snohomish County

GPS Coordinates: 47.95926837, -121.7973447

Nearby Water Temperatures

Red Flag Warning issued September 3 at 10:44PM PDT until September 4 at 9:00PM PDT by NWS Seattle WA

Effective: Wed September 3, 2025, 10:44 PM
Expires: Thu September 4, 2025, 6:45 AM

* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Up to 85. * STABILITY...Unstable conditions can be expected. * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area.

A Red Flag Warning means that critical fire weather conditions are either imminent or occurring now. Any fires that develop will likely spread quickly. Outdoor burning is not recommended.

Heat Advisory issued September 3 at 10:43PM PDT until September 4 at 5:00PM PDT by NWS Seattle WA

Effective: Wed September 3, 2025, 10:43 PM
Expires: Thu September 4, 2025, 6:45 AM

* WHAT...Hot conditions with high temperatures ranging from the mid 80s to the lower 90s and low temperatures in the 60s. This will pose a moderate to locally major risk of heat-related illness. * WHERE...Foothills and Valleys of the North Cascades, Foothills and Valleys of Central King County, Foothills and Valleys of Pierce and Southern King Counties, Foothills and Valleys of Snohomish and Northern King Counties, and Foothills and Valleys of Thurston and Lewis Counties. * WHEN...Until 5 PM PDT Thursday. * IMPACTS...Heat will significantly increase the risk of heat-related illnesses for those who are sensitive to heat, especially those without effective cooling or adequate hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit wa211.org anytime.

Red Flag Warning issued September 3 at 10:44PM PDT until September 4 at 9:00PM PDT by NWS Seattle WA

Effective: Wed September 3, 2025, 10:44 PM
Expires: Thu September 4, 2025, 6:45 AM

* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Up to 85. * STABILITY...Unstable conditions can be expected. * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area.

A Red Flag Warning means that critical fire weather conditions are either imminent or occurring now. Any fires that develop will likely spread quickly. Outdoor burning is not recommended.

Heat Advisory issued September 3 at 10:43PM PDT until September 4 at 5:00PM PDT by NWS Seattle WA

Effective: Wed September 3, 2025, 10:43 PM
Expires: Thu September 4, 2025, 6:45 AM

* WHAT...Hot conditions with high temperatures ranging from the mid 80s to the lower 90s and low temperatures in the 60s. This will pose a moderate to locally major risk of heat-related illness. * WHERE...Foothills and Valleys of the North Cascades, Foothills and Valleys of Central King County, Foothills and Valleys of Pierce and Southern King Counties, Foothills and Valleys of Snohomish and Northern King Counties, and Foothills and Valleys of Thurston and Lewis Counties. * WHEN...Until 5 PM PDT Thursday. * IMPACTS...Heat will significantly increase the risk of heat-related illnesses for those who are sensitive to heat, especially those without effective cooling or adequate hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit wa211.org anytime.

Red Flag Warning issued September 3 at 10:44PM PDT until September 4 at 9:00PM PDT by NWS Seattle WA

Effective: Wed September 3, 2025, 10:44 PM
Expires: Thu September 4, 2025, 6:45 AM

* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Up to 85. * STABILITY...Unstable conditions can be expected. * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area.

A Red Flag Warning means that critical fire weather conditions are either imminent or occurring now. Any fires that develop will likely spread quickly. Outdoor burning is not recommended.