24h gridded snowfall estimate
0.2 in · old or expiredNOHRSC analysis near the pass, roughly 4 km grid. Not a road-surface measurement.
Observation / analysis time: Oct 27, 2026, 5:00 PM PDT
Last retrieved: Oct 28, 2026, 5:00 AM PDT
Freshness warning: some road or weather updates are delayed. Treat any clear status as unverified and use the official DOT link on the page before departure.
SR-20 · WA · 4,310 ft
Coverage is limited to passes WSDOT reports through the Mountain Pass API.
Our readingNo live status available
Coverage is limited to passes WSDOT reports through the Mountain Pass API.
Image could not load. Open the official camera view below.
Image could not load. Open the official camera view below.
Images may lag, fail, or point away from the road. A recent listing check does not verify the frame's age. We display current agency image URLs with attribution and do not retain or archive frames.
Road restrictions, station measurements and forecasts describe different things. Times below use Pacific time.
NOHRSC analysis near the pass, roughly 4 km grid. Not a road-surface measurement.
Observation / analysis time: Oct 27, 2026, 5:00 PM PDT
Last retrieved: Oct 28, 2026, 5:00 AM PDT
NOHRSC analysis near the pass, roughly 4 km grid. Not a road-surface measurement.
Observation / analysis time: Oct 27, 2026, 5:00 PM PDT
Last retrieved: Oct 28, 2026, 5:00 AM PDT
NOHRSC analysis near the pass, roughly 4 km grid. Not a road-surface measurement.
Observation / analysis time: Oct 27, 2026, 5:00 AM PDT
Last retrieved: Oct 28, 2026, 5:00 AM PDT
Gold Axe Camp · 15.6 mi from pass · 5380 ft elevation. Not a measurement at the pass.
Observation / analysis time: 2026-10-28 (daily value; time not supplied)
Last retrieved: Oct 29, 2026, 5:00 AM PDT
NWS grid near the pass. Expected snow over the forecast window, not observed snowfall.
Issued: Oct 29, 2026, 3:37 AM PDT
Last retrieved: Oct 29, 2026, 5:00 AM PDT
Forecast window: Oct 29, 2026, 5:00 AM PDT to Nov 1, 2026, 4:00 AM PST
Official NWS forecast ↗Overnight: Mostly Cloudy, low 26°F, S wind 2 mph, 12% precipitation; Thursday: Chance Snow Showers, high 37°F, SE wind 3 mph, 33% precipitation. 0.2 inches of NWS-grid snowfall forecast in the next 72 hours
| Season | GHCN snowfall | SNOTEL max depth | Station context |
|---|---|---|---|
| 2026-2027 | 0.0 in | 0.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2025-2026 | 2.3 in | 14.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2024-2025 | 4.4 in | 41.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2023-2024 | 4.4 in | 26.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2022-2023 | 4.7 in | 42.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2021-2022 | 4.8 in | 24.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2020-2021 | 6.5 in | 46.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2019-2020 | 7.0 in | 32.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2018-2019 | 4.4 in | 35.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2017-2018 | 5.8 in | 51.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2016-2017 | 3.9 in | 37.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2015-2016 | 2.9 in | 38.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2014-2015 | 4.3 in | 20.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2013-2014 | 3.5 in | 32.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2012-2013 | 4.9 in | 38.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2011-2012 | 5.5 in | 43.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2010-2011 | 3.7 in | 43.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2009-2010 | 2.1 in | 0.0 in | BILLINGS 38.8 mi away · 1,703 ft |
| 2008-2009 | 4.2 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 2007-2008 | 6.0 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 2006-2007 | 6.0 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 2005-2006 | 4.3 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 2004-2005 | 3.6 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 2003-2004 | 5.6 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 2002-2003 | 4.4 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 2001-2002 | 4.5 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 2000-2001 | 5.1 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 1999-2000 | 3.6 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 1998-1999 | 3.8 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 1997-1998 | 3.8 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 1996-1997 | 9.3 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 1995-1996 | 5.0 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 1994-1995 | 4.5 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 1993-1994 | 4.0 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
| 1992-1993 | 6.7 in | Not available | BILLINGS 38.8 mi away · 1,703 ft |
No status transition has been archived for these matched control points yet.
Road informationWSDOT Mountain Pass Conditions, including directional restrictions and agency update times.
LimitCoverage is limited to passes WSDOT reports through the Mountain Pass API.
Chain rulesWashington chain requirements. See chain controls in effect now across the West.
Cameras Live Caltrans and WSDOT stills are displayed above with agency attribution; Pass Conditions does not archive them.
RWIS Roadside weather readings are not republished yet. Use the official DOT link above for that view.
NOHRSC snowfall is a roughly 4 km analysis, not a road-surface observation. SNOTEL and GHCN stations can differ materially in distance and elevation. Always use the DOT link for the travel decision.