Backcountry Avalanche Forecast
Olympics
This product is expired.
- Issued
- Monday, February 3, 2025 - 9:00AM
- Expires
- Tuesday, February 4, 2025 - 9:00AM
- Author
- Chris Lundy
The Bottom Line
Bottom Line
Avalanche Danger
Monday, February 3, 2025
Upper test2 - Moderate
Middle Elevations
5500-4500ft2 - Moderate
5500-4500ft2 - Moderate
Lower Elevations
4500-3000ft2 - Moderate
4500-3000ft2 - Moderate
 1 - Low |  2 - Moderate |  3 - Considerable |  4 - High |  5 - Extreme | |
|---|---|---|---|---|---|
| Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
| Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
| Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
West North
This product is expired.
- Issued
- Monday, February 3, 2025 - 9:00AM
- Expires
- Tuesday, February 4, 2025 - 9:00AM
- Author
- Chris Lundy
The Bottom Line
Bottom Line
Avalanche Danger
Monday, February 3, 2025
Upper Elevations
7500-5500ft2 - Moderate
7500-5500ft2 - Moderate
Middle Elevations
5500-4500ft2 - Moderate
5500-4500ft2 - Moderate
Lower Elevations
4500-2500ft2 - Moderate
4500-2500ft2 - Moderate
1 - Low | 2 - Moderate | 3 - Considerable | 4 - High | 5 - Extreme | |
|---|---|---|---|---|---|
| Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
| Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
| Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
West Central
This product is expired.
- Issued
- Monday, February 3, 2025 - 9:00AM
- Expires
- Tuesday, February 4, 2025 - 9:00AM
- Author
- Chris Lundy
The Bottom Line
Bottom Line
Avalanche Danger
Monday, February 3, 2025
Upper Elevations
7500-5500ft2 - Moderate
7500-5500ft2 - Moderate
Middle Elevations
5500-4500ft2 - Moderate
5500-4500ft2 - Moderate
Lower Elevations
4500-2500ft2 - Moderate
4500-2500ft2 - Moderate
1 - Low | 2 - Moderate | 3 - Considerable | 4 - High | 5 - Extreme | |
|---|---|---|---|---|---|
| Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
| Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
| Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
West South
This product is expired.
- Issued
- Thursday, October 15, 2026 - 6:00PM
- Expires
- Friday, October 16, 2026 - 6:00PM
- Author
- Rachel Fryan
The Bottom Line
Give slopes where avalanches can start, run, and stop a wide berth Wednesday. Very dangerous conditions and large natural avalanches may occur during periods of heavy precipitation, rapidly rising temperatures, and blowing snow.
Avalanche Danger
Friday, October 16, 2026
Upper Elevations
8000-6500ft4 - High
8000-6500ft4 - High
Middle Elevations
6500-5500ft4 - High
6500-5500ft4 - High
Lower Elevations
5500-3500ft3 - Considerable
5500-3500ft3 - Considerable
1 - Low | 2 - Moderate | 3 - Considerable | 4 - High | 5 - Extreme | |
|---|---|---|---|---|---|
| Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
| Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
| Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
Stevens Pass
This product is expired.
- Issued
- Thursday, October 8, 2026 - 6:00PM
- Expires
- Friday, October 9, 2026 - 6:00PM
- Author
- Katie Warren
The Bottom Line
test
Avalanche Danger
Friday, October 9, 2026
Upper Elevations
7000-6000ft3 - Considerable
7000-6000ft3 - Considerable
Middle Elevations
6000-5000ft2 - Moderate
6000-5000ft2 - Moderate
Lower Elevations
5000-3000ft2 - Moderate
5000-3000ft2 - Moderate
1 - Low | 2 - Moderate | 3 - Considerable | 4 - High | 5 - Extreme | |
|---|---|---|---|---|---|
| Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
| Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
| Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
Snoqualmie Pass
This product is expired.
- Issued
- Thursday, October 15, 2026 - 6:00PM
- Expires
- Friday, October 16, 2026 - 6:00PM
- Author
- Rachel Fryan
The Bottom Line
Warm, wet, and windy conditions should create very dangerous avalanche conditions Wednesday. Avoid traveling in areas where avalanches can start, run, and stop. Natural avalanches will be most likely during periods of intense precipitation, blowing snow, and rapidly warming temperatures.
Avalanche Danger
Friday, October 16, 2026
Upper Elevations
6500-5500ft4 - High
6500-5500ft4 - High
Middle Elevations
5500-4000ft4 - High
5500-4000ft4 - High
Lower Elevations
4000-2500ft3 - Considerable
4000-2500ft3 - Considerable
1 - Low | 2 - Moderate | 3 - Considerable | 4 - High | 5 - Extreme | |
|---|---|---|---|---|---|
| Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
| Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
| Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
East North
This product is expired.
- Issued
- Monday, February 3, 2025 - 9:00AM
- Expires
- Tuesday, February 4, 2025 - 9:00AM
- Author
- Chris Lundy
The Bottom Line
Bottom Line
Avalanche Danger
Monday, February 3, 2025
Upper Elevations
8000-6500ft2 - Moderate
8000-6500ft2 - Moderate
Middle Elevations
6500-5000ft2 - Moderate
6500-5000ft2 - Moderate
Lower Elevations
5000-3000ft2 - Moderate
5000-3000ft2 - Moderate
1 - Low | 2 - Moderate | 3 - Considerable | 4 - High | 5 - Extreme | |
|---|---|---|---|---|---|
| Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
| Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
| Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
East Central
This product is expired.
- Issued
- Monday, February 3, 2025 - 9:00AM
- Expires
- Tuesday, February 4, 2025 - 9:00AM
- Author
- Chris Lundy
The Bottom Line
Bottom Line
Avalanche Danger
Monday, February 3, 2025
Upper Elevations
7500-6000ft2 - Moderate
7500-6000ft2 - Moderate
Middle Elevations
6000-5000ft2 - Moderate
6000-5000ft2 - Moderate
Lower Elevations
5000-2500ft2 - Moderate
5000-2500ft2 - Moderate
1 - Low | 2 - Moderate | 3 - Considerable | 4 - High | 5 - Extreme | |
|---|---|---|---|---|---|
| Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
| Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
| Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
East South
This product is expired.
- Issued
- Monday, February 3, 2025 - 9:00AM
- Expires
- Tuesday, February 4, 2025 - 9:00AM
- Author
- Chris Lundy
The Bottom Line
Bottom Line
Avalanche Danger
Monday, February 3, 2025
Upper Elevations
7500-6000ft2 - Moderate
7500-6000ft2 - Moderate
Middle Elevations
6000-5000ft2 - Moderate
6000-5000ft2 - Moderate
Lower Elevations
5000-3000ft2 - Moderate
5000-3000ft2 - Moderate
1 - Low | 2 - Moderate | 3 - Considerable | 4 - High | 5 - Extreme | |
|---|---|---|---|---|---|
| Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
| Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
| Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
Mt Hood
This product is expired.
- Issued
- Monday, February 3, 2025 - 9:00AM
- Expires
- Tuesday, February 4, 2025 - 9:00AM
- Author
- Chris Lundy
The Bottom Line
Bottom Line
Avalanche Danger
Monday, February 3, 2025
Upper Elevations
8500-6500ft2 - Moderate
8500-6500ft2 - Moderate
Middle Elevations
6500-5000ft2 - Moderate
6500-5000ft2 - Moderate
Lower Elevations
5500-3500ft2 - Moderate
5500-3500ft2 - Moderate
1 - Low | 2 - Moderate | 3 - Considerable | 4 - High | 5 - Extreme | |
|---|---|---|---|---|---|
| Travel Advice | Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. | Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. | Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential. | Very dangerous avalanche conditions. Travel in avalanche terrain not recommended. | Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain. |
| Likelihood of Avalanches | Natural and human-triggered avalanches unlikely. | Natural avalanches unlikely; human-triggered avalanches possible. | Natural avalanches possible; human-triggered avalanches likely. | Natural avalanches likely; human-triggered avalanches very likely. | Natural and human-triggered avalanches certain. |
| Avalanche Size and Distribution | Small avalanches in isolated areas or extreme terrain. | Small avalanches in specific areas; or large avalanches in isolated areas. | Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas. | Large avalanches in many areas; or very large avalanches in specific areas. | Very large avalanches in many areas. |
This information is provided by the U.S.D.A. Forest Service and describes general backcountry avalanche hazard and conditions.
It does not apply to ski areas and highways where avalanche mitigation is conducted.