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

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

GPS Coordinates: 45.43175906, -122.19542

Nearby Water Temperatures

Winter Weather Advisory issued March 11 at 12:18AM PDT until March 11 at 5:00PM PDT by NWS Portland OR

Effective: Wed March 11, 2026, 12:18 AM
Expires: Wed March 11, 2026, 5:00 PM

* WHAT...Snow above 3000 ft. Additional snow accumulations between 6 and 11 inches. Localized higher amounts along the peaks of Mt Hood above 5500 ft. Winds gusting as high as 35 mph except up to 50 mph along the peaks. * WHERE...North Oregon Cascades. * WHEN...Until 5 PM PDT this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map

Flood Watch issued March 11 at 11:24AM PDT until March 14 at 5:39AM PDT by NWS Portland OR

Effective: Wed March 11, 2026, 11:24 AM
Expires: Thu March 12, 2026, 2:00 AM

...The Flood Watch continues for the following rivers in Oregon... Johnson Creek at Sycamore affecting Inner Portland Metro zone. Pudding River at Aurora affecting East Central Willamette Valley zone. * WHAT...Flooding is possible. * WHERE...Johnson Creek at Sycamore. * WHEN...From Thursday morning to early Saturday morning. * IMPACTS...Above 11.0 feet, minor flooding begins along Johnson Creek between SE 92nd Street to SE 122nd Street and between Johnson Creek and SE Harold Street. * ADDITIONAL DETAILS... - At 11:00 AM PDT Wednesday the stage was 3.2 feet. - Forecast...Flood stage may be reached tomorrow morning. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood

If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov. The next statement will be issued late tonight at 200 AM PDT.

Flood Watch issued March 11 at 1:21PM PDT until March 13 at 11:00PM PDT by NWS Portland OR

Effective: Wed March 11, 2026, 1:21 PM
Expires: Thu March 12, 2026, 1:00 AM

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of northwest Oregon, including the following areas, Clackamas County Cascade Foothills, Clatsop County Coast, East Central Willamette Valley, East Portland Metro, Inner Portland Metro, Lower Columbia River, North Oregon Coast Range, North Oregon Coast Range Lowlands, Outer Southeast Portland Metro, Portland West Hills and Chehalem Mountain, Tillamook County Coast, Tualatin Valley, West Central Willamette Valley, West Columbia River Gorge I-84 Corridor and West Columbia River Gorge of Oregon above 500 ft and southwest Washington, including the following areas, Cowlitz County Lowlands, East Clark County Lowlands, Inner Vancouver Metro, North Clark County Lowlands, South Washington Cascade Foothills, West Columbia River Gorge SR 14 Corridor, Willapa Hills and Willapa and Wahkiakum Lowlands. * WHEN...From 5 PM PDT this afternoon through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Landslides and debris flows are possible during this flood event. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at serious risk from rapidly moving landslides. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued March 11 at 11:24AM PDT until March 16 at 10:49PM PDT by NWS Portland OR

Effective: Wed March 11, 2026, 11:24 AM
Expires: Thu March 12, 2026, 2:00 AM

...The Flood Watch continues for the following rivers in Oregon... Johnson Creek at Sycamore affecting Inner Portland Metro zone. Pudding River at Aurora affecting East Central Willamette Valley zone. * WHAT...Flooding is possible. * WHERE...Pudding River at Aurora. * WHEN...From Saturday evening to late Monday evening. * IMPACTS...Above 22.0 feet, expect minor flooding of low-lying agricultural lands and access roads along the river. * ADDITIONAL DETAILS... - At 11:00 AM PDT Wednesday the stage was 10.0 feet. - Forecast...Flood stage may be reached Saturday evening. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood

If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov. The next statement will be issued late tonight at 200 AM PDT.

Winter Storm Warning issued March 11 at 12:18AM PDT until March 13 at 5:00AM PDT by NWS Portland OR

Effective: Wed March 11, 2026, 12:18 AM
Expires: Wed March 11, 2026, 5:00 PM

* WHAT...Heavy snow expected above 2500 ft. Total snow accumulations of 15 to 20 inches with up to 30 inches along the volcanos. Winds gusting as high as 35 mph, except up to 45 mph along the peaks. * WHERE...South Washington Cascades. * WHEN...Until 5 AM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...There will be a brief lull in snowfall late Wednesday, but will increase again with heavier precipitation. Heaviest snowfall expected between 5AM-5PM Wednesday, and 5AM-5PM Thursday. Snow levels will begin to rise above 5000 ft late Thursday.

Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. If you are using a generator, be sure to keep it outdoors and away from windows and vents. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised.