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I-90 Washington Road Conditions
Radar, DOT cameras and live pavement conditions on the 297 miles of I-90 in Washington — plus closures, road work and city-by-city weather across the state.
Updated Sep 10, 2026 6:33 PM PDT · Mostly dry
Lowest 61°F near Seattle, Washington · Highest wind 20 mph near Tacoma, Washington
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I-90 runs 297 miles across Washington. It passes Spokane, Seattle and Tacoma. The high crossing on this stretch is Snoqualmie Pass at 3,022 ft, which is where winter closes it first.
- Interstate: I-90
- State: Washington
- Length in state: 297 mi
Weather data from Sep 10, 2026 6:33 PM PDT
61°F
78°F
20 mph
29.71-29.93 inHg
Current I-90 in Washington Conditions by State
Washington I-90 in Washington road conditions
Dry
- Spokane 78°F · 8 mph wind · Dry
- Seattle 68°F · 5 mph wind · Dry
- Tacoma 68°F · 5 mph wind · Dry
I-90 crosses 297 miles of Washington, from the Idaho line to its end in the state. That is 10% of I-90's 3,020 miles.
Inside Washington it meets I-5 at Seattle.
It carries Snoqualmie Pass at 3,022 ft, where the weather at the summit is not the weather on the approach.
No full closures are reported on I-90 in Washington as of Sep 10, 2026 6:33 PM PDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
| Place | Snow a year | Snow days | Freezing nights | Freeze–thaw days | First freeze | Last freeze | Days over 90°F |
|---|---|---|---|---|---|---|---|
| Spokane | 44.9" | 34.4 | 117.2 | 84.1 | Oct 7 | Apr 30 | 16.2 |
| Seattle | 3.6" | 2.1 | 21.4 | 20.4 | Nov 26 | Mar 10 | 1.2 |
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-90 in Washington
From Seattle to Liberty Lake, with the position of each town measured along this stretch itself — counted from the Seattle end, not from a state milepost, so it will not match the numbers on the signs.
- 0 mi Seattle 2.0 mi off the road
- 4 mi Medina 2.4 mi off the road
- 6 mi Mercer Island 1.3 mi off the road
- 12 mi Sammamish 3.4 mi off the road
- 24 mi Snoqualmie 2.2 mi off the road
- 81 mi Cle Elum
- 113 mi Kittitas
- 219 mi Ritzville
- 270 mi Airway Heights 3.6 mi off the road
- 278 mi Spokane 1.0 mi off the road
- 285 mi Millwood
- 293 mi Liberty Lake
Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.
Summaries fetched Sep 10, 2026 5:07 AM PDT
Spokane, WA weather
- Current weather conditions in Spokane, WA indicate a temperature of 48°F with a humidity level of 88%
- The wind is blowing from the south at a speed of 1.7 mph
- The pressure is recorded at 30.0 inHg
- The sky is mostly cloudy with visibility at 9.9 miles
- There are no significant weather alerts at this time, and current conditions show no precipitation.
Seattle, WA weather
- Current weather conditions in Seattle, WA indicate a temperature of 59.7°F with a relative humidity of 84%
- The wind is calm, blowing from the east at 2 to 4 mph
- The atmospheric pressure is measured at 30.06 inHg
- Visibility is good at 16 km (9.9 mi), and the weather is clear
- There are no significant weather alerts at this time.
I-90 in Washington Traffic Cameras
updating…I-90 at MP 138: Vantage Br. (View East)
2 hours ago
I-90 at MP 138: Vantage Br. (View West)
2 hours ago
I-90 at MP 18.6: 246th Ave SE, WB
2 hours ago
I-90 at MP 18.8: 246th Ave SE, EB
2 hours ago
I-90 at MP 189: Warden Exit
2 hours ago
I-90 at MP 19.4: 256th Ave SE
2 hours ago
I-90 in Washington Road Weather FAQ
- Is Interstate 90 in Washington closed right now?
- No full closures are reported on I-90 in Washington. No lane closures or roadworks are reported either.
- What are I-90 in Washington road conditions today?
- The map on this page colors the route along I-90 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 6:33 PM PDT. Right now temperatures run from 61°F to 78°F and the strongest wind is 20 mph.
- Are there mountain passes on I-90 in Washington?
- Yes — one on this site, Snoqualmie Pass at 3,022 ft. Each has its own summit page.
- 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-90 in Washington?
- Yes. This page shows 6 live views on I-90 in Washington from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.
- How often are I-90 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.
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