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Snoqualmie Pass weather

I-90 between North Bend and Cle Elum, Washington. The summit is 3,022 ft.

Summit
3,022 ft
Highway
I-90
North Bend
23 mi
Cle Elum
32 mi

Summit forecast, next 72 hours

Snoqualmie Pass summit, 3,022 ft · Updated · Forecast: National Weather Service

  • New snow0 in
  • Strongest gusts25 mphTonight
  • Coldest37°F
ForecastSnowGustsTemp °F
TonightMostly Cloudy0 in25 mphLow 41°
FridayLight Rain Likely0 in25 mphHigh 48°
Friday NightLight Rain Likely0 in10 mphLow 37°
SaturdayChance Light Rain0 in15 mphHigh 44°
Saturday NightLight Rain0 in25 mphLow 37°
SundayLight Rain0 in20 mphHigh 41°

Snow is the forecast new accumulation at the summit grid point. Dots use Road Travel’s driving-risk scale.

Typical weather by month

Monthly normals from the long-term stations nearest the summit. None sits exactly on the pass, so each column says how far away and how high it is.

MonthOlallie Meadows
4,030 ft · 4 mi south of the summit
Stampede Pass
3,959 ft · 11 mi south of the summit
Snoqualmie Falls
440 ft · 21 mi west of the summit
Precip (in)High / low °FHigh / low °FSnow (in)
Jan19.032° / 25°46° / 36°1.5
Feb13.735° / 26°50° / 35°0.2
Mar13.340° / 29°54° / 37°0.3
Apr9.246° / 33°59° / 40°0
May6.253° / 38°64° / 46°0
Jun4.960° / 43°69° / 51°0
Jul1.868° / 50°76° / 54°0
Aug2.369° / 51°77° / 54°0
Sep5.563° / 47°70° / 49°0
Oct12.549° / 38°60° / 44°0
Nov18.638° / 30°51° / 38°0.1
Dec17.932° / 24°46° / 36°1.5

NOAA NCEI U.S. Climate Normals, 1991–2020: Olallie Meadows (USS0021B55S, 4,030 ft); STAMPEDE PASS (USW00024237, 3,959 ft); SNOQUALMIE FALLS (USC00457773, 440 ft). Snow days are days with at least 1 inch of new snow. “—” means the station does not publish that normal.

Cameras, road reports and winter rules

Conditions on the pass change by the hour, so these go straight to the official sources.

Check the official National Weather Service forecast for the summit and the road report before you leave.

Crossing Snoqualmie Pass? See the summit at the hour you’ll be there

Road Travel times the forecast to your drive, so you see conditions at the summit when you will actually reach it, and get alerts about weather ahead on the way.

Questions about Snoqualmie Pass

How high is Snoqualmie Pass?

The summit is 3,022 ft above sea level, on I-90.

How far is Snoqualmie Pass from North Bend and Cle Elum?

By road, the summit is 23 miles from North Bend, WA and 32 miles from Cle Elum, WA.

What is the wettest month at Snoqualmie Pass?

January. The Olallie Meadows snow-monitoring site (4,030 ft, 4 mi south of the summit) averages 19.0 inches of precipitation that month, counting the water in melted snow (1991–2020 normals).

How cold does it get near Snoqualmie Pass?

The coldest month is December. Stampede Pass (3,959 ft, 11 mi south of the summit) averages a low of 24°F then (1991–2020 normals).