Summit forecast, next 72 hours
- New snow0 in
- Strongest gusts15 mphThis Afternoon
- Coldest46°F
| Forecast | Snow | Gusts | Temp °F |
|---|---|---|---|
| This AfternoonSunny | 0 in | 15 mph | High 70° |
| TonightPartly Cloudy | 0 in | 15 mph | Low 46° |
| SaturdayMostly Sunny | 0 in | 15 mph | High 68° |
| Saturday NightMostly Clear | 0 in | 10 mph | Low 48° |
| SundaySunny | 0 in | 5 mph | High 73° |
| Sunday NightMostly Clear | 0 in | 10 mph | Low 50° |
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.
| Month | Blewett Pass 4,240 ft · 5 mi west of the summit | Cle Elum 1,900 ft · 19 mi southwest of the summit | Plain 1,936 ft · 29 mi north of the summit | |
|---|---|---|---|---|
| Precip (in) | High / low °F | High / low °F | Snow (in) | |
| Jan | 5.9 | 35° / 22° | 34° / 21° | 31.5 |
| Feb | 4.1 | 41° / 24° | 40° / 23° | 17.4 |
| Mar | 3.4 | 49° / 28° | 48° / 27° | 9.5 |
| Apr | 1.9 | 57° / 33° | 57° / 32° | 1.1 |
| May | 1.7 | 66° / 40° | 67° / 39° | 0.1 |
| Jun | 1.2 | 72° / 47° | 73° / 45° | 0 |
| Jul | 0.6 | 81° / 53° | 82° / 50° | 0 |
| Aug | 0.5 | 81° / 51° | 82° / 49° | 0 |
| Sep | 1.0 | 73° / 43° | 74° / 42° | 0 |
| Oct | 2.9 | 58° / 34° | 58° / 33° | 1.0 |
| Nov | 5.3 | 43° / 28° | 42° / 27° | 14.6 |
| Dec | 6.2 | 34° / 22° | 32° / 21° | 42.1 |
NOAA NCEI U.S. Climate Normals, 1991–2020: Blewett Pass (USS0020B02S, 4,240 ft); CLE ELUM (USC00451504, 1,900 ft); PLAIN (USC00456534, 1,936 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.
- For this passWSDOT Blewett Pass report: cameras, restrictions, conditions
- Washington · WSDOTReal-time travel map
- Washington · winter rulesMountain pass reports and traction rules
Check the official National Weather Service forecast for the summit and the road report before you leave.
Crossing Blewett 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 Blewett Pass
How high is Blewett Pass?
The summit is 4,101 ft above sea level, on US-97.
How far is Blewett Pass from Cle Elum and Leavenworth?
By road, the summit is 27 miles from Cle Elum, WA and 25 miles from Leavenworth, WA.
What is the wettest month at Blewett Pass?
December. The Blewett Pass snow-monitoring site (4,240 ft, 5 mi west of the summit) averages 6.2 inches of precipitation that month, counting the water in melted snow (1991–2020 normals).