Donner Summit
Nothing reported by our sources
- Source: NWS · checked 2:28 PM PDT
- Source: Caltrans · file updated 2:26 PM PDT
Not official. Check Caltrans QuickMap (official) before you drive. Details, forecast and sources
Mountain passes: weather and road status
Weather alerts from the National Weather Service and chain controls from state transportation departments, with the time of every update. Worst conditions first.
Not official. Check the official 511 before you drive.
All passes at a glance
- Donner Summit Nothing reported by our sources
- Cajon Pass Nothing reported by our sources
- Soldier Summit No NWS alerts · Road/chains: check 511
- Parleys Summit No NWS alerts · Road/chains: check 511
- Malad Pass No NWS alerts · Road/chains: check 511
- Sherman Hill No NWS alerts · Road/chains: check 511
- Elk Mountain / Arlington No NWS alerts · Road/chains: check 511
- Vail Pass No NWS alerts · Road/chains: check 511
- Eisenhower-Johnson Tunnel No NWS alerts · Road/chains: check 511
- Cabbage Hill / Deadman Pass No NWS alerts · Road/chains: check 511
- Snoqualmie Pass No NWS alerts · Road/chains: check 511
Members: check a whole route, pass by pass (free account). Route check
Cajon Pass
Nothing reported by our sources
- Source: NWS · checked 2:28 PM PDT
- Source: Caltrans · file updated 2:26 PM PDT
Not official. Check Caltrans QuickMap (official) before you drive. Details, forecast and sources
Soldier Summit
No NWS alerts · Road/chains: check 511
- Source: NWS · checked 3:28 PM MDT
Not official. Check UDOT Traffic (official) before you drive. Details, forecast and sources
Parleys Summit
No NWS alerts · Road/chains: check 511
- Source: NWS · checked 3:28 PM MDT
Not official. Check UDOT Traffic (official) before you drive. Details, forecast and sources
Malad Pass
No NWS alerts · Road/chains: check 511
- Source: NWS · checked 3:28 PM MDT
Not official. Check Idaho 511 (official) before you drive. Details, forecast and sources
Sherman Hill
No NWS alerts · Road/chains: check 511
- Source: NWS · checked 3:28 PM MDT
Not official. Check WYDOT road conditions (official, wyoroad.info) before you drive. Details, forecast and sources
Elk Mountain / Arlington
No NWS alerts · Road/chains: check 511
- Source: NWS · checked 3:28 PM MDT
Not official. Check WYDOT road conditions (official, wyoroad.info) before you drive. Details, forecast and sources
Vail Pass
No NWS alerts · Road/chains: check 511
- Source: NWS · checked 3:28 PM MDT
Not official. Check COtrip (official) before you drive. Details, forecast and sources
Eisenhower-Johnson Tunnel
No NWS alerts · Road/chains: check 511
- Source: NWS · checked 3:28 PM MDT
Not official. Check COtrip (official) before you drive. Details, forecast and sources
Cabbage Hill / Deadman Pass
No NWS alerts · Road/chains: check 511
- Source: NWS · checked 2:28 PM PDT
Not official. Check ODOT TripCheck (official) before you drive. Details, forecast and sources
Snoqualmie Pass
No NWS alerts · Road/chains: check 511
- Source: NWS · checked 2:28 PM PDT
Not official. Check WSDOT mountain passes (official) before you drive. Details, forecast and sources
Questions about a pass? The forum has Road Desk guides (written by our AI assistant, with sources). Forum
Weather: National Weather Service (weather.gov), public data. Road data: each state DOT. TTH is not affiliated with these agencies, and they do not endorse this page. This page is refreshed every few minutes.