Idaho Avalanche Maps


"What's the danger?" Here are autogenerated DEM Shading rules for each advisory zone that allow for quickly adding avalanche danger, problems, and sun angle layers to CalTopo maps. Reports sourced from avalanche.org.

Show Instructions

Select A Zone:

Selkirks & Cabinets
Avalanche Report

Report not available. See IPAC for more information.

Issued at: Saturday, April 01, 2023 8:51AM
Issued by: IPAC

St. Regis & Silver Valley
Avalanche Report

2023-04-02 Avalanche Danger
  • High danger (above 5501')
  • High danger (4501' to 5500')
  • High danger (below 4500')
a0-0e5501-20310f ed1c24
a0-0e4501-5500f ed1c24
a0-0e0-4500f ed1c24
2023-04-02 Storm Slab
  • All aspects (above 5501')
  • All aspects (4501' to 5500')
  • All aspects (below 4500')
a158-158e5501-20310f A200FF
a158-158e4501-5500f A200FF
a158-158e0-4500f A200FF

Issued at: Saturday, April 01, 2023 8:51AM
Issued by: IPAC

PAC Advisory Area
Avalanche Report

2023-04-02 Avalanche Danger
  • High danger (above 7501')
  • High danger (6501' to 7500')
  • Considerable danger (below 6500')
a0-0e7501-20310f ed1c24
a0-0e6501-7500f ed1c24
a0-0e0-6500f f7941e
2023-04-02 Wind Slab
  • All aspects (above 7501')
  • All aspects (6501' to 7500')
a158-158e7501-20310f A200FF
a158-158e6501-7500f A200FF
2023-04-02 Storm Slab
  • All aspects (6501' to 7500')
  • All aspects (below 6500')
a158-158e6501-7500f 0000FF
a158-158e0-6500f 0000FF

Issued at: Saturday, April 01, 2023 7:14AM
Issued by: PAC

Galena Summit & Eastern Mtns
Avalanche Report

2023-04-02 Avalanche Danger
  • High danger (above 9501')
  • High danger (7501' to 9500')
  • High danger (below 7500')
a0-0e9501-20310f ed1c24
a0-0e7501-9500f ed1c24
a0-0e0-7500f ed1c24
2023-04-02 Persistent Slab
  • All aspects (above 9501')
  • All aspects (7501' to 9500')
a23-23e9501-20310f A200FF
a23-23e7501-9500f A200FF
2023-04-02 Storm Slab
  • All aspects (above 9501')
  • All aspects (7501' to 9500')
  • All aspects (below 7500')
a158-158e9501-20310f 0000FF
a158-158e7501-9500f 0000FF
a158-158e0-7500f 0000FF

Issued at: Saturday, April 01, 2023 6:53AM
Issued by: SNFAC

Sawtooth & Western Smoky Mtns
Avalanche Report

2023-04-02 Avalanche Danger
  • High danger (above 8501')
  • High danger (6501' to 8500')
  • High danger (below 6500')
a0-0e8501-20310f ed1c24
a0-0e6501-8500f ed1c24
a0-0e0-6500f ed1c24
2023-04-02 Persistent Slab
  • All aspects (above 8501')
  • All aspects (6501' to 8500')
a158-158e8501-20310f A200FF
a23-23e6501-8500f A200FF
2023-04-02 Storm Slab
  • All aspects (above 8501')
  • All aspects (6501' to 8500')
  • All aspects (below 6500')
a158-158e8501-20310f 0000FF
a158-158e6501-8500f 0000FF
a158-158e0-6500f 0000FF

Issued at: Saturday, April 01, 2023 6:53AM
Issued by: SNFAC

Soldier & Wood River Valley Mtns
Avalanche Report

Report not available. See SNFAC for more information.

Issued at: Saturday, April 01, 2023 6:53AM
Issued by: SNFAC


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 06:30AM Shade 83 by 1
2023-04-02 08:00AM Shade 100 by 16
2023-04-02 09:30AM Shade 119 by 30
2023-04-02 11:00AM Shade 143 by 41
2023-04-02 12:30PM Shade 173 by 46
2023-04-02 02:00PM Shade 205 by 44
2023-04-02 03:30PM Shade 232 by 35
2023-04-02 05:00PM Shade 252 by 22
2023-04-02 06:30PM Shade 270 by 7


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 06:30AM Shade 83 by 1
2023-04-02 08:00AM Shade 100 by 16
2023-04-02 09:30AM Shade 119 by 30
2023-04-02 11:00AM Shade 143 by 42
2023-04-02 12:30PM Shade 174 by 47
2023-04-02 02:00PM Shade 206 by 45
2023-04-02 03:30PM Shade 233 by 35
2023-04-02 05:00PM Shade 253 by 22
2023-04-02 06:30PM Shade 270 by 7


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 07:40AM Shade 85 by 2
2023-04-02 09:10AM Shade 101 by 18
2023-04-02 10:40AM Shade 120 by 33
2023-04-02 12:10PM Shade 144 by 45
2023-04-02 01:40PM Shade 177 by 50
2023-04-02 03:10PM Shade 210 by 47
2023-04-02 04:40PM Shade 236 by 36
2023-04-02 06:10PM Shade 256 by 21
2023-04-02 07:40PM Shade 272 by 5


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 07:30AM Shade 84 by 1
2023-04-02 09:00AM Shade 100 by 17
2023-04-02 10:30AM Shade 118 by 33
2023-04-02 12:00PM Shade 143 by 45
2023-04-02 01:30PM Shade 175 by 51
2023-04-02 03:00PM Shade 210 by 48
2023-04-02 04:30PM Shade 236 by 36
2023-04-02 06:00PM Shade 256 by 22
2023-04-02 07:30PM Shade 272 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 07:30AM Shade 84 by 1
2023-04-02 09:00AM Shade 100 by 17
2023-04-02 10:30AM Shade 118 by 32
2023-04-02 12:00PM Shade 142 by 45
2023-04-02 01:30PM Shade 175 by 51
2023-04-02 03:00PM Shade 209 by 48
2023-04-02 04:30PM Shade 236 by 37
2023-04-02 06:00PM Shade 255 by 22
2023-04-02 07:30PM Shade 271 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 07:30AM Shade 84 by 1
2023-04-02 09:00AM Shade 100 by 18
2023-04-02 10:30AM Shade 118 by 33
2023-04-02 12:00PM Shade 143 by 45
2023-04-02 01:30PM Shade 175 by 51
2023-04-02 03:00PM Shade 210 by 48
2023-04-02 04:30PM Shade 236 by 37
2023-04-02 06:00PM Shade 256 by 22
2023-04-02 07:30PM Shade 272 by 6

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