Seward Highway @ Portage Glacier Road MP 78.9 November 12, 2025 4:30am – Alaska 511
Your straight-talk Alaska traffic and weather guide for the three major routes from the frosty start of your day to the twinkly ride back home.
By Gina Hill | Alaska Headline Living | November 2025
âď¸ Morning Commute Weather Snapshot

General Outlook
The skies are mostly clear early, with temps hovering near 10 °F (-12 °C) this morning in Southcentral. AccuWeather+1 Expect a slow, chilly climb into the mid-teens by late morning. Cloud cover will increase through the day.
Route-Specific Highlights
- Glenn Highway Corridor (Mat-Su â Anchorage): Bitter-cold start. Expect temperatures around 7â10 °F early, rising gradually into the teens. Clear skies make for good visibilityâdangerous because clear doesnât mean safe.
- Seward Highway Corridor (Girdwood â Anchorage):Â Start a little less icy (temps in the low teens), but curves, mountain passes, and shaded slopes make it tricky.
- Parks Highway Corridor (Anchorage â Mat-Su):Â Similar to Glenn early. Very cold, major traffic volume, and bigger risk of slick spots where the road curves or climbs.
đŚ Morning Commute Breakdown

- Before 7 am:Â All corridors cold and slick. On the Glenn and Parks especially, assume iceâbridges, entrance ramps, shaded turns.
- 7â9 am:Â Temperatures inch up. On the Seward youâll feel it a bit more, but traction is still variable. On the Glenn and Parks keep your spacing, slow your roll.
- 9â11 am:Â Best window of the morning for smoother travel … glimpses of sunlight + slightly warmer surfaces. Doesnât mean âsafe to speedâ. Just âless risky.â
Traffic notes: - Glenn: Heavy inbound flow, plus potential slowdowns on ramp merges.
- Seward: Mountain route hazards, watch for slowed vehicles on grades.
- Parks: High volume both directions; wildlife crossings + icy patches = extra care.
đ Drive-Home Forecast & Evening Road Conditions
Road Conditions
- As evening falls, temps will stay in the teens (-8 °C or so) or drop lower. Cloud cover will tighten in.
- On all routes, roads that thawed will begin to refreeze. Bridges and northern slopes go from âokayâ to âslipperyâ fast.
What to Watch
- Glenn Highway:Â Expect refreeze risk high after 4 pm. What looked good midday might betray you after dusk.
- Seward Highway:Â Slightly better odds, but the terrain makes it unpredictable, especially curves and shaded areas.
- Parks Highway:Â Evening commute equals heavy traffic + cold pavement. A combo that demands slow, steady, smart driving.
đ§ Memawâs Commute Survival Checklist
- Warm up your ride, but donât rush out. Let it idle a minute.
- Maintain extra stopping distance. If a two-door Toyota cuts in, just smile and back off.
- Use your low-beam lights during early dawn and dusk; visibility might look good but road surfaces wonât.
- Stick to the main lanes. Side roads may be untreated and more treacherous.
- Before you depart both morning and evening: Check real-time cameras & incident feeds (look the routes up via the Alaska Department of Transportation & Public Facilities/511 Alaska system).
- Evening note: Any stretch that looked âwetâ at sunset? Assume itâs ice now.
đ Final Thoughts
Well now, dear, todayâs commute isnât just a trip. Itâs a winter performance, and youâre the lead act. The Glenn, Seward, and Parks highways are your stage and the roadâs flat-out ready to throw in some icy improvs. The trick? Drive like youâve got somewhere important to be … not just your job, but your own peace of mind.
đ§¤đ§ŁSo bundle up, keep the lights on, and remember: in Alaska winter driving, the smartest move is the steady one with your eyes wide open. Thatâs how you arrive safe, warm, and ready for the hot cocoa waiting at home.
