Free sandbags in Juneau City and Borough, AK
Where to get sandbags, how to get official alerts, and how to check your own address before the next storm.
Where to get free sandbags in Juneau City and Borough, AK
When a glacial lake outburst flood threatens, the City and Borough of Juneau and the U.S. Army Corps of Engineers hand out free sandbags and sand in front of the Dimond Park Field House in the Mendenhall Valley. In summer 2026, prefilled bags were loaded into vehicles there for residents in the flood zone (in 2025 the limit was 50 per household). Dates are announced on juneau.org; flood conditions ended in October 2026.
- Juneau: sandbags at Dimond Parkjuneau.org
- Juneau: flood preparednessjuneau.org
Checked against official sources on November 1, 2026.
Free storm alerts for Juneau City and Borough
When the National Weather Service issues a flood, fire, wind or hurricane warning for Juneau City and Borough, we email you right away with what to do. We also give you a heads-up a day ahead when NOAA forecasts severe storms or flash-flooding rain.
Want alerts for your exact street instead? Check your address and sign up there.
Is your home in a flood or fire zone?
Type your address and see your flood, wildfire, earthquake and other hazard risks on one map, free. No sign-up needed.
Get official emergency alerts
Juneau City and Borough's official alert system is CBJ Emergency Alerts (Juneau). It's free and sends warnings to your phone when a storm, fire or evacuation affects your area.
Before the storm: a quick checklist
- Pick up sandbags early. Supplies run out once a storm is in the forecast.
- Fill bags about halfway and lay them flat, overlapping like bricks, at doorways and the garage door.
- Clear gutters, downspouts and the storm drain in front of your house.
- Move valuables, papers and electronics off the floor.
- Take photos or a video of your rooms and belongings for insurance.
- Never walk or drive through floodwater. Turn around, don't drown.
Questions people ask
Where can I get free sandbags in Juneau City and Borough, AK?
When a glacial lake outburst flood threatens, the City and Borough of Juneau and the U.S. Army Corps of Engineers hand out free sandbags and sand in front of the Dimond Park Field House in the Mendenhall Valley. In summer 2026, prefilled bags were loaded into vehicles there for residents in the flood zone (in 2025 the limit was 50 per household). Dates are announced on juneau.org; flood conditions ended in October 2026.
How do I get emergency alerts in Juneau City and Borough, AK?
Sign up for CBJ Emergency Alerts (Juneau), which is free, and turn on Wireless Emergency Alerts on your phone.
How do I know if my home is in a flood zone in Juneau City and Borough, AK?
Enter your address at mystormplan.com/check to see your FEMA flood zone and other hazards for your exact property, free.
How many sandbags do I need?
A common rule of thumb is about 100 bags to build a wall 1 foot high and 20 feet long. Most homes use sandbags to steer water away from doorways and garage doors. Fill bags only about halfway so they lie flat and tight.