Snoqualmie Pass Snow in October 2025: What to Expect

In-Depth Analysis

Snoqualmie Pass saw its first measurable snowfall in October 2025, aligning with historical averages. While the earliest snowfall on record occurred on October 9, 2019, and the latest on December 5, 2002, this year’s timing falls within the typical range. The incoming weather pattern brought lower temperatures and showers, leading to snow accumulation at higher elevations.

**Historical Snowfall Data:**

**November:** Typically 3 snowfall days, with an average base depth of 12 inches.
**December:** Roughly 10 snowfall days, with an average base depth of 38 inches.
**January:** Around 12 snowfall days, with an average base depth of 56 inches.
**February:** Approximately 11 snowfall days, boasting an average base depth of 72 inches.
**March:** About 10 snowfall days, with an average base depth of 82 inches.
**April:** Roughly 4 snowfall days, showing an average base depth of 70 inches.

**Recent First Snowfalls:**

2024 – Nov. 1
2023 – Oct. 25
2022 – Oct. 26
2021 – Nov. 6
2020 – Oct. 24
2019 – Oct. 9
2018 – Nov. 10
2017 – Oct. 12

Travelers should monitor weather forecasts and road conditions before heading over the passes. Consider purchasing season passes for the Summit at Snoqualmie, or the Ikon Pass, for access to local ski resorts.

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FAQ

What are the average snow conditions at Snoqualmie Pass in October?

October snow is variable; check recent snowfall history. This year is around average.

What should I do to prepare for driving over Snoqualmie Pass in the winter?

Check weather forecasts, road conditions, and ensure your vehicle is equipped for winter driving. Chains may be required.

Where can I find updated information on road closures and conditions?

Check the Washington State Department of Transportation (WSDOT) website or app for real-time updates.

Takeaways

Early snowfall in Snoqualmie Pass requires preparedness for winter driving conditions.
Monitor weather forecasts and road conditions before traveling.
Be aware of potential delays and closures due to snow and ice.
Consider purchasing a season pass for local ski resorts.

Discussion

Do you think this early snowfall is a sign of a severe winter ahead? Share your thoughts in the comments!

Share this article with others who need to stay ahead of this trend!

Sources

Pinpoint Alert: Snow at Snoqualmie Pass, cold and rain to continue in lowlands First measurable snowfall of the season to hit WA's Snoqualmie Pass. Here's when Seattle weather: Winds ease with mountain snow ahead

Disclaimer

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