Avalanche Forecasts

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Bottom-line danger levels are shown color-coded for each forecast region on a map, based on the selected timeframe (Today/Tomorrow/2 Days Out). Click on any region to view the detailed avalanche forecast from the source forecasting center.

We support 100+ forecast regions, sourced from the NWAC (Northwest US), CAIC (Colorado), UAC (Utah), SAC (Central Sierras), ESAC (Eastern Sierras), MSAC (Mount Shasta), BTAC (Jackson Hole), GNFAC (Bozeman), WCMAC (Missoula), FAC (Kalispell), SNFAC (Sun Valley), IPAC (Idaho Panhandle), PAC (McCall), MWAC (Mount Washington), KPAC (Flagstaff), WAC (NE Oregon), CBAC (Crested Butte), CNFAIC (Chugach), JAC (Juneau), AAC (Anchorage), HAIC (Haines), VAC (Valdez), Cordova, HPAC (Hatcher Pass), Avalanche Canada, Parks Canada, WhistlerBlackcomb, VIAC (Vancouver Island), and Avalanche Quebec (Chic Chocs) forecasting centers. This is every forecast center in North America!

Please contact us at sierra.avalanche.development@gmail.com with feature suggestions, bug reports, or other feedback.