I-5 Washington Road Conditions

I-5 crosses 276 miles of Washington, from the Oregon line to its end in the state. That is 20% of I-5's 1,381 miles.

Inside Washington it meets I-90 at Seattle.

No full closures are reported on I-5 in Washington as of Sep 10, 2026 5:50 PM PDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.

NOAA 1991–2020 Climate Normals, from 2 weather stations in Washington. A dash is a figure that station does not report, not a zero.

Every figure above is a town or a city. The summits are a different climate: Snoqualmie Pass, Stevens Pass, White Pass have its own page with the readings at the top and a six-day summit forecast.

Towns Along I-5 in Washington

From Vancouver to Blaine, with the position of each town measured along this stretch itself — counted from the Vancouver end, not from a state milepost, so it will not match the numbers on the signs.

1. 2 mi Vancouver 3.2 mi off the road
2. 49 mi Castle Rock
3. 110 mi Lacey 1.0 mi off the road
4. 133 mi Tacoma 1.5 mi off the road
5. 138 mi Fife
6. 143 mi Federal Way 1.8 mi off the road
7. 156 mi Tukwila
8. 166 mi Seattle 1.1 mi off the road
9. 168 mi Yarrow Point 4.8 mi off the road
10. 180 mi Brier 1.8 mi off the road
11. 208 mi Arlington 2.2 mi off the road
12. 275 mi Blaine

Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.

Related Roads

I-5 in Washington Road Weather FAQ

Is Interstate 5 in Washington closed right now?

No full closures are reported on I-5 in Washington. No lane closures or roadworks are reported either.

What are I-5 in Washington road conditions today?

The map on this page colors the route along I-5 in Washington by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Sep 10, 2026 5:50 PM PDT. Right now temperatures run from 65°F to 73°F and the strongest wind is 8 mph.

Where are Washington road closures reported officially?

Washington's official traveler information service is wsdot.com, and it is where closures and restrictions are reported.

Are there live traffic cameras on I-5 in Washington?

Yes. This page shows 6 live views on I-5 in Washington from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.

How often are I-5 in Washington road conditions updated?

The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.