Overview Realtime Historical Map View
Winter Weather Advisory
2026-10-21T04:00:00-08:00

* WHAT...Snow expected. Total snow accumulations between 6 and 12 inches. Highest amounts between Eureka and Sheep Mountain. * WHERE...Eureka, Tahneta Pass and the Western Copper Valley. * WHEN...Until 4 AM AKDT Wednesday. * IMPACTS...Travel could be difficult. Be prepared for slippery roads. * ADDITIONAL DETAILS...Steady snowfall will continue through this evening before slowly tapering off by Wednesday morning. The heaviest snow is expected to fall between early Tuesday morning and Tuesday evening. Up to 6 inches of snow is expected around Mendeltna with higher amounts farther west along the Glenn Highway.

Horsepasture Pass Historical Data

Historical Data


Date Snowpack SWE Snowfall Air Temperature
2026-05-09 22.0"
2026-05-10 22.0"
2026-05-11 21.0"
2026-05-12 21.0"
2026-05-13 20.0"
2026-05-14 19.0"
2026-05-15 18.0"
2026-05-16 15.0"
2026-05-17 14.0"
2026-05-18 13.0"
2026-05-19 13.0"
2026-05-20 13.0"
2026-05-21 13.0"
2026-05-22 13.0"
2026-05-23 13.0"
2026-05-24 13.0"
2026-05-25 12.0"
2026-05-26 11.0"
2026-05-27 11.0"
2026-05-28 11.0"
2026-05-29 10.0"
2026-05-30 9.0"
2026-05-31 6.0"
2026-06-01 2.0"
2026-06-02 1.0"
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"
2026-07-01 0.0"
2026-07-04 0.0"
2026-07-06 0.0"
2026-07-07 0.0"
2026-07-08 0.0"
2026-07-09 0.0"
2026-07-10 0.0"
2026-07-12 0.0"
2026-07-13 0.0"
2026-07-14 0.0"
2026-07-16 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"
2026-07-27 0.0"
2026-07-28 0.0"
2026-07-29 0.0"
2026-07-30 0.0"
2026-07-31 0.0"
2026-08-02 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"
2026-08-12 0.0"
2026-08-14 0.0"
2026-08-15 0.0"
2026-08-16 0.0"
2026-08-17 0.0"
2026-08-19 0.0"
2026-08-20 0.0"
2026-08-21 0.0"
2026-08-22 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"
2026-09-01 0.0"
2026-09-02 0.0"
2026-09-03 0.0"
2026-09-04 0.0"
2026-09-06 1.0"
2026-09-07 0.0"
2026-09-08 2.0"
2026-09-09 1.0"
2026-09-10 2.0"
2026-09-11 3.0"
2026-09-13 2.0"
2026-09-14 0.0"
2026-09-21 0.0"
2026-10-02 1.0"
2026-10-03 1.0"
2026-10-04 2.0"
2026-10-05 2.0"
2026-10-06 2.0"
2026-10-07 2.0"
2026-10-08 2.0"
2026-10-09 2.0"
2026-10-10 2.0"
2026-10-11 1.0"
2026-10-12 2.0"
2026-10-13 2.0"
2026-10-14 3.0"
2026-10-15 2.0"
2026-10-16 4.0"
2026-10-17 4.0"
2026-10-18 4.0"
2026-10-19 4.0"
2026-10-20 5.0"

Snowfall Calendar


Date Average 2026

Annual Peak Snowpack


Seasonal Comparison


Oceanic Nino Index