Air Quality Alert
None

The Washington State Department of Ecology has issued an Air Quality Alert until 10 AM PDT Wednesday. An Air Quality Alert has been issued for Kittitas County through Wednesday Sept 2 at 10AM due to current and expected wildfire smoke from regional fires. Particulate matter (PM2.5) may reach Unhealthy to Sensitive Groups to Unhealthy levels for areas directly downwind from active fires, especially overnight and during the early morning hours. Be sure to check air monitors in your area before outdoor activities. When air quality is Unhealthy, everyone should reduce exposure. Limit time outside, avoid, strenuous outdoor activity, and follow tips for cleaner indoor air. Information from the Washington Department of Ecology web site is available at http://www.ecy.wa.gov/air.html or call 360-407-6000.

Snoqualmie Pass - East Shed Historical Data

Historical Data


Date Snowpack SWE Snowfall Air Temperature
2026-05-09 2.15"
2026-05-10 2.45"
2026-05-11 8.77"
2026-05-12 168.7"
2026-05-13 2.48"
2026-05-14 5.92"
2026-05-15 3.56"
2026-05-16 4.1"
2026-05-17 11.28"
2026-05-18 2.79"
2026-05-19 9.8"
2026-05-20 4.39"
2026-05-21 11.54"
2026-05-22 12.4"
2026-05-23 10.38"
2026-05-24 11.72"
2026-05-25 12.16"
2026-05-26 10.67"
2026-05-27 10.12"
2026-05-28 11.19"
2026-05-29 9.98"
2026-05-30 13.91"
2026-05-31 11.52"
2026-06-01 0.0"
2026-06-02 0.0"
2026-06-03 0.0"
2026-06-04 0.0"
2026-06-05 0.0"
2026-06-06 0.0"
2026-06-07 0.0"
2026-06-08 0.0"
2026-06-09 0.0"
2026-06-10 0.0"
2026-06-11 0.0"
2026-06-12 0.0"
2026-06-13 0.0"
2026-06-14 0.0"
2026-06-15 0.0"
2026-06-16 0.0"
2026-06-17 0.0"
2026-06-18 0.0"
2026-06-19 0.0"
2026-06-20 0.0"
2026-06-21 0.0"
2026-06-22 0.0"
2026-06-23 0.0"
2026-06-24 0.0"
2026-06-25 0.0"
2026-06-26 0.0"
2026-06-27 0.0"
2026-06-28 0.0"
2026-06-29 0.0"
2026-06-30 0.0"
2026-07-01 0.0"
2026-07-02 0.0"
2026-07-03 0.0"
2026-07-04 0.0"
2026-07-05 0.0"
2026-07-07 0.0"
2026-07-08 0.0"
2026-07-09 0.0"
2026-07-10 0.0"
2026-07-11 0.0"
2026-07-12 0.0"
2026-07-13 0.0"
2026-07-14 0.0"
2026-07-15 0.0"
2026-07-16 0.0"
2026-07-17 0.0"
2026-07-18 0.0"
2026-07-19 0.0"
2026-07-20 0.0"
2026-07-21 0.0"
2026-07-22 0.0"
2026-07-23 0.0"
2026-07-24 0.0"
2026-07-25 0.0"
2026-07-26 0.0"
2026-07-27 0.0"
2026-07-28 0.0"
2026-07-29 0.0"
2026-07-30 0.0"
2026-07-31 0.0"
2026-08-01 0.0"
2026-08-02 0.0"
2026-08-03 0.0"
2026-08-04 0.0"
2026-08-05 0.0"
2026-08-06 0.0"
2026-08-07 0.0"
2026-08-08 0.0"
2026-08-09 0.0"
2026-08-10 0.0"
2026-08-11 0.0"
2026-08-12 0.0"
2026-08-13 0.0"
2026-08-14 0.0"
2026-08-15 0.0"
2026-08-16 0.0"
2026-08-17 0.0"
2026-08-18 0.0"
2026-08-19 0.0"
2026-08-20 0.0"
2026-08-21 0.0"
2026-08-22 0.0"
2026-08-23 0.0"
2026-08-24 0.0"
2026-08-25 0.0"
2026-08-26 0.0"
2026-08-27 0.0"
2026-08-28 0.0"
2026-08-29 0.0"
2026-08-30 0.0"
2026-08-31 0.0"

Snowfall Calendar


Date Average 2026

Annual Peak Snowpack


Seasonal Comparison


Oceanic Nino Index