Pass Conditions
MacDonald PassNo live status availableno live record

US-12 · MT · 6,320 ft

MacDonald Pass

Current Montana restrictions are unavailable here. Check Montana 511 before departure.

Our readingNo live status available

Confirm on the official MT road report ↗

No live road record matched this pass.

Current Montana restrictions are unavailable here. Check Montana 511 before departure.

No current camera is matched here. Check official cameras ↗

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.

24h gridded snowfall estimate

0.0 in

NOHRSC analysis near the pass, roughly 4 km grid. Not a road-surface measurement.

Observation / analysis time: Sep 13, 2026, 5:00 PM PDT
Last retrieved: Sep 14, 2026, 5:00 AM PDT

Official snow source ↗

72h gridded snowfall estimate

Not available

NOHRSC analysis near the pass, roughly 4 km grid. Not a road-surface measurement.

Observation / analysis time: Sep 13, 2026, 5:00 PM PDT
Last retrieved: Sep 14, 2026, 5:00 AM PDT

Official snow source ↗

season gridded snowfall estimate

173.1 in

NOHRSC analysis near the pass, roughly 4 km grid. Not a road-surface measurement.

Observation / analysis time: Sep 13, 2026, 5:00 AM PDT
Last retrieved: Sep 14, 2026, 5:00 AM PDT

Official snow source ↗

Measured station snow depth

1.0 in

Frohner Meadow · 10.4 mi from pass · 6520 ft elevation. Not a measurement at the pass.

Observation / analysis time: 2026-09-13 (daily value; time not supplied)
Last retrieved: Sep 14, 2026, 5:00 AM PDT

Official snow source ↗

Forecast snowfall

0.0 in

NWS grid near the pass. Expected snow over the forecast window, not observed snowfall.

Issued: Sep 14, 2026, 1:01 AM PDT
Last retrieved: Sep 14, 2026, 5:00 AM PDT

Forecast window: Sep 14, 2026, 5:00 AM PDT to Sep 17, 2026, 5:00 AM PDT

Official NWS forecast ↗
NWS outlook and forecast details

Today: Slight Chance Rain And Snow then Partly Sunny, high 49°F, W wind 18 to 28 mph, 20% precipitation; Tonight: Areas Of Frost, low 33°F, WSW wind 5 to 16 mph, 4% precipitation. No measurable NWS-grid snowfall forecast in the next 72 hours

Check the current NWS point forecast ↗

SeasonGHCN snowfallSNOTEL max depthStation context
2025-20262.2 in31.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2024-20253.7 in37.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2023-20245.8 in21.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2022-20234.8 in46.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2021-20222.3 in24.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2020-20216.4 in31.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2019-20203.7 in33.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2018-20195.3 in42.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2017-20186.5 in47.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2016-20175.1 in36.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2015-20161.5 in29.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2014-20152.4 in28.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2013-20144.2 in55.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2012-20134.0 in26.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2011-20124.0 in37.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2010-20113.6 in41.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2009-20102.8 in30.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2008-20094.2 in47.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2007-20083.1 in32.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2006-20071.9 in28.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2005-20061.9 in31.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2004-20053.1 in29.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2003-20040.5 in31.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2002-20030.0 in41.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2001-20020.0 in0.0 inHELENA AP ASOS
15.8 mi away · 3,865 ft
2000-20010.0 inNot availableHELENA AP ASOS
15.8 mi away · 3,865 ft
1999-20001.2 inNot availableHELENA AP ASOS
15.8 mi away · 3,865 ft
1998-19990.0 inNot availableHELENA AP ASOS
15.8 mi away · 3,865 ft
1997-19980.0 inNot availableHELENA AP ASOS
15.8 mi away · 3,865 ft
1996-19970.0 inNot availableHELENA AP ASOS
15.8 mi away · 3,865 ft
1995-19961.9 inNot availableHELENA AP ASOS
15.8 mi away · 3,865 ft
1994-19952.9 inNot availableHELENA AP ASOS
15.8 mi away · 3,865 ft
1993-19943.5 inNot availableHELENA AP ASOS
15.8 mi away · 3,865 ft
1992-19935.5 inNot availableHELENA AP ASOS
15.8 mi away · 3,865 ft
1991-19924.6 inNot availableHELENA AP ASOS
15.8 mi away · 3,865 ft

No status transition has been archived for these matched control points yet.

Road informationCurrent Montana conditions are available on Montana 511.

LimitCurrent Montana restrictions are unavailable here. Check Montana 511 before departure.

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.

Watch MacDonald Pass for your trip dates

Updates for the matched road reports on this page, in every reported direction.

Choose up to 14 inclusive calendar days. Season alerts end on April 30. Every request requires email confirmation.

Alert window

2026-09-14 through 2026-09-16, inclusive, Pacific time. Season option ends 2027-04-30.

Confirm the email to activate alerts. When confirmed in time, we prepare one briefing on the day before your start, changes after a 20-minute stability check, and a final-day closeout. Updates continue until the end of your final calendar day. Manage individual requests or unsubscribe from all alerts using the links in any alert email. No newsletters or unrelated marketing.

Alerts are advisory. No email does not mean conditions are unchanged or safe. Check official road reports before departure.

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.