SuicideBasin

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We will be hosting an Open House on Sat. June 27th from 12-4 PM at our office, 8500 Mendenhall Loop Rd in Juneau. There will be tours of the office, a chance to talk to GLOF experts, and other local partners. We hope to see you there! Find more info here:
Periods of rain return to the northern panhandle as a low lingers in the Gulf of Alaska, sending a series of weak fronts inland through mid-week with drier conditions expected for the S panhandle. Click here to read the latest Forecast Discussion...
Click here to visit the Suicide Basin monitoring page. You can use this page for updates throughout the GLOF season to see what the condition are within the basin.

Monitoring Equipment Status:

The USGS has turned on all of the monitoring equipment, the laser data and cameras. Currently both the front and main basin cameras are sending images twice a day(10am and 4pm AKDT). Over the next week or two the USGS will be installing another camera looking at the overflow channel.

Basin/River Status: June 22, 2026

The Mendenhall Lake and River are near normal water levels and through June and July snow and ice melt runoff will increase to produce water levels on the lake and river to rise.

Suicide Basin water level is steadily rising slowly as seen on webcam imagery with the current elevation around 1215ft, it rose around 25ft over the last week. This time last year (2025), the water level elevation was around 1175ft, but in 2023 it was 1260ft. As with the water levels of Mendenhall Lake, the amount of filling (input) into the basin will increase as temperatures rise to produce more runoff from the melting of snow and ice through the summer months. The estimated elevation of the overflow channel is around 1350ft.

NWS will continue to monitor the basin and release any new information at least once a week on Mondays, so check back for updates.

Here is the NWS event report from the record 16.65ft major flooding event that occurred on August 13th 2025.

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