Station Name: BULL RUN R AT LARSON'S BRIDGE, NEAR BULL RUN, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 545 feet / 166 meters

Nearest Address:
NF-183
Aims, OR 97055
Clackamas County

GPS Coordinates: 45.43175906, -122.19542

Nearby Water Temperatures

Heat Advisory issued September 3 at 2:30PM PDT until September 4 at 8:00PM PDT by NWS Portland OR

Effective: Wed September 3, 2025, 2:30 PM
Expires: Thu September 4, 2025, 5:00 AM

* WHAT...Afternoon high temperatures in the mid to upper 90s and overnight low temperatures in the mid 60s to lower 70s expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Heat Advisory issued September 4 at 2:45AM PDT until September 4 at 8:00PM PDT by NWS Portland OR

Effective: Thu September 4, 2025, 2:45 AM
Expires: Thu September 4, 2025, 8:00 PM

* WHAT...Afternoon high temperatures in the upper 80s to low 90s expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Cooler overnight lows in the mid 60s tonight will provide relief from daytime heat.

Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Heat Advisory issued September 3 at 2:30PM PDT until September 4 at 8:00PM PDT by NWS Portland OR

Effective: Wed September 3, 2025, 2:30 PM
Expires: Thu September 4, 2025, 5:00 AM

* WHAT...Afternoon high temperatures in the mid to upper 90s and overnight low temperatures in the mid 60s to lower 70s expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Heat Advisory issued September 4 at 2:45AM PDT until September 4 at 8:00PM PDT by NWS Portland OR

Effective: Thu September 4, 2025, 2:45 AM
Expires: Thu September 4, 2025, 8:00 PM

* WHAT...Afternoon high temperatures in the upper 80s to low 90s expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Cooler overnight lows in the mid 60s tonight will provide relief from daytime heat.

Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

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.