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

Flood Warning issued March 12 at 4:44PM PDT until March 14 at 1:12PM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 4:44 PM
Expires: Fri March 13, 2026, 11:00 AM

...The Flood Warning is extended for the following rivers in Oregon... Johnson Creek at Sycamore affecting Clackamas and Multnomah Counties. * WHAT...Minor flooding is forecast. * WHERE...Johnson Creek at Sycamore. * WHEN...Until early Saturday afternoon. * IMPACTS...Above 13.0 feet, expect flooding to begin at numerous locations along Johnson Creek. Evacuations of several homes have historically taken place at this and higher stages. * ADDITIONAL DETAILS... - At 4:30 PM PDT Thursday the stage was 10.8 feet. - Bankfull stage is 10.0 feet. - Forecast...The river will briefly rise above flood stage to 11.2 feet late this afternoon. It will then fall below flood stage this evening to 8.9 feet late tonight. Additional rainfall on Friday will cause it to again rise above flood stage again tomorrow afternoon to 13.0 feet by late tomorrow evening. It will then fall below flood stage again Saturday morning as rainfall ends. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued by Friday morning at 1100 AM PDT.

Flood Watch issued March 12 at 3:56PM PDT until March 14 at 5:00PM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 3:56 PM
Expires: Fri March 13, 2026, 5:30 AM

* WHAT...Flooding caused by excessive rainfall continues to be 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...Through Saturday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Area creeks and streams are running high and could flood with more heavy rain. 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 Warning issued March 12 at 3:54PM PDT until March 12 at 6:00PM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 3:54 PM
Expires: Thu March 12, 2026, 6:00 PM

* WHAT...Urban area and small stream flooding caused by excessive rainfall continues. * WHERE...A portion of northwest Oregon, including the following county, Multnomah. * WHEN...Until 600 PM PDT. * IMPACTS...Streams continue to rise due to excess runoff from earlier rainfall. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 352 PM PDT, Doppler radar and automated rain gauges indicated heavy rain. Flooding is already occurring in the warned area. Between 2 and 3 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are possible in the warned area. - Some locations that will experience flooding include... Gresham, Troutdale, Fairview and Wood Village. - River gauges on the upper reaches of Johnson Creek at Gresham and Beaver Creek at Troutdale are observing minor flooding. Fairview Creek at Glisan St is continuing to rise. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.

Winter Weather Advisory issued March 12 at 1:49PM PDT until March 12 at 11:00PM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 1:49 PM
Expires: Thu March 12, 2026, 11:00 PM

* WHAT...Wet snow above 3500 to 4500 ft. Additional snow accumulations up to 1 to 4 inches at pass level. For isolated locations between 5000 and 5500 feet near Mount Hood, additional accumulations of 3 to 8 inches. Winds gusting as high as 35 mph. * WHERE...North Oregon Cascades. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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 Warning issued March 12 at 9:46PM PDT until March 13 at 12:00AM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 9:46 PM
Expires: Fri March 13, 2026, 12:00 AM

* WHAT...Urban area and small stream flooding caused by excessive rainfall continues. * WHERE...A portion of northwest Oregon, including the following county, Multnomah. * WHEN...Until midnight PDT tonight. * IMPACTS...Streams continue to rise due to excess runoff from earlier rainfall. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 946 PM PDT, Doppler radar and automated rain gauges indicated heavy rain. Flooding is already occurring in the warned area. Between 2 and 3 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are possible in the warned area. - Some locations that will experience flooding include... Gresham, Troutdale, Fairview and Wood Village. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.