Station Name: SOUTH FORK TOLT RIVER NEAR CARNATION, WA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,365 feet

Nearest Address:
Tolt Reservoir Rd
Carnation, WA 98014
King County

GPS Coordinates: 47.68926929, -121.7134457

Nearby Water Temperatures

Flood Watch issued March 17 at 4:23PM PDT until March 20 at 5:00PM PDT by NWS Seattle WA

Effective: Tue March 17, 2026, 4:23 PM
Expires: Wed March 18, 2026, 7:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest and west central Washington, including the following counties, in northwest Washington, Skagit and Whatcom. In west central Washington, King and Snohomish. * WHEN...From Wednesday afternoon through Friday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - High snow levels, heavy rainfall, and snowmelt runoff will lead to rises on area rivers with flooding possible. - 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 17 at 9:50PM PDT until March 19 at 7:23AM PDT by NWS Seattle WA

Effective: Tue March 17, 2026, 9:50 PM
Expires: Wed March 18, 2026, 6:00 AM

...The National Weather Service in Seattle WA has issued a Flood Warning for the following rivers in Washington... Snoqualmie River Near Snoqualmie Falls affecting King County. .Heavy rain over the Central Cascades combined with high snow levels will push the Snoqualmie River neat Snoqualmie Falls above flood stage Wednesday. * WHAT...Minor flooding is forecast. * WHERE...Snoqualmie River near Snoqualmie Falls. * WHEN...From Wednesday morning to Thursday morning. * IMPACTS...At 20,000.0 cfs, the Snoqualmie River will cause widespread flooding of pasture lands and roads along the river from the town of Snoqualmie downstream through Fall City. Roads that may become flooded include Fall City-Carnation...Tolt Hill... and Novelty Flats Roads. This river level on the Snoqualmie corresponds roughly to a phase 3 flood in the King County flood system. * ADDITIONAL DETAILS... - At 8:30 PM PDT Tuesday the flow was 12,200.0 cfs. - Flood flow is 20,000.0 cfs. - Forecast...The river is expected to reach flood stage around 7 AM Wednesday. The river will crest near 24,300 cfs Wednesday afternoon. The river could recede below flood stage Thursday then rise back above flood stage Friday. - 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 cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued by Wednesday morning at 600 AM PDT.

Flood Warning issued March 17 at 9:45PM PDT by NWS Seattle WA

Effective: Tue March 17, 2026, 9:45 PM
Expires: Wed March 18, 2026, 5:45 AM

...The National Weather Service in Seattle WA has issued a Flood Warning for the following rivers in Washington... Snoqualmie River Near Carnation affecting King County. .Heavy rain in the Central Cascades combined with high snow levels will push the Snoqualmie River at Carnation above flood stage Wednesday. * WHAT...Moderate flooding is forecast. * WHERE...Snoqualmie River near Carnation. * WHEN...From late tonight until further notice. * IMPACTS...At 56.0 feet, the Snoqualmie River will cause widespread flooding from Fall City downstream through Carnation and Duvall... inundating much of the farm land and numerous roads. * ADDITIONAL DETAILS... - At 8:15 PM PDT Tuesday the stage was 51.1 feet. - Flood stage is 54.0 feet. - Forecast...The river will reach flood stage around 5 AM Wednesday morning. The river will crest near 57.6 feet late Wednesday night or early Thursday morning. The river will remain above flood stage into the weekend. - 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 cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued by late tonight at 545 AM PDT.

Avalanche Warning issued March 17 at 7:30PM PDT by NWS Seattle WA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue March 17, 2026, 7:30 PM
Expires: Wed March 18, 2026, 6:30 PM

AVWSEW The following message is transmitted at the request of the Northwest Avalanche Center. ...The Northwest Avalanche Center in Seattle has issued an Avalanche Warning... * WHAT...High avalanche danger is expected in the West Central zone Tuesday night and Wednesday. * WHERE...The West Central Zone is along the West Slopes of the Cascades from SR20 to north of I-90. It includes the Mountain Loop Highway and the mountains near and south of Hwy 2 along the West Slopes of the Cascades. Dangerous avalanche conditions are expected in neighboring zones. * WHEN...In effect from Tue 18:30 PDT to Wed 18:30 PDT. * IMPACTS...Large to very large natural wet snow avalanches are expected. Avalanches that release from higher elevations could run long distances to lower elevations or into terrain that is usually considered safe. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions are expected. Travel in backcountry terrain is not recommended. Put a large buffer between you and terrain where avalanches can start, run, and stop. Consult https://www.nwac.us/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center. D'Amico