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 68° |
| TonightClear | 0 in | 10 mph | Low 46° |
| SaturdaySunny | 0 in | 15 mph | High 73° |
| Saturday NightMostly Clear | 0 in | 10 mph | Low 48° |
| SundaySunny | 0 in | 15 mph | High 77° |
| Sunday NightPartly Cloudy | 0 in | 10 mph | Low 53° |
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 | Hogg Pass 4,790 ft · 1 mi southwest of the summit | Santiam Junction 3,750 ft · 5 mi west of the summit | Sisters 3,180 ft · 18 mi southeast of the summit |
|---|---|---|---|
| Precip (in) | High / low °F | High / low °F | |
| Jan | 12.0 | 38° / 24° | 41° / 21° |
| Feb | 8.0 | 41° / 24° | 44° / 22° |
| Mar | 8.9 | 44° / 26° | 51° / 25° |
| Apr | 6.6 | 49° / 29° | 57° / 29° |
| May | 4.6 | 58° / 35° | 66° / 34° |
| Jun | 2.8 | 65° / 38° | 74° / 39° |
| Jul | 0.7 | 76° / 42° | 86° / 43° |
| Aug | 0.6 | 77° / 42° | 85° / 42° |
| Sep | 2.6 | 69° / 39° | 76° / 36° |
| Oct | 6.4 | 56° / 33° | 61° / 29° |
| Nov | 11.3 | 42° / 28° | 47° / 25° |
| Dec | 12.7 | 36° / 23° | 39° / 20° |
NOAA NCEI U.S. Climate Normals, 1991–2020: Hogg Pass (USS0021E06S, 4,790 ft); SANTIAM JUNCTION (USC00357554, 3,750 ft); SISTERS (USC00357857, 3,180 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.
- Oregon · ODOTTripCheck road conditions
- Oregon · winter rulesChain laws
Check the official National Weather Service forecast for the summit and the road report before you leave.
Crossing Santiam 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 Santiam Pass
How high is Santiam Pass?
The summit is 4,816 ft above sea level, on US-20.
How far is Santiam Pass from Sisters and Detroit?
By road, the summit is 20 miles from Sisters, OR and 37 miles from Detroit, OR.
What is the wettest month at Santiam Pass?
December. The Hogg Pass snow-monitoring site (4,790 ft, 1 mi southwest of the summit) averages 12.7 inches of precipitation that month, counting the water in melted snow (1991–2020 normals).
How cold does it get near Santiam Pass?
The coldest month is December. Santiam Junction (3,750 ft, 5 mi west of the summit) averages a low of 23°F then (1991–2020 normals); the summit is 1,066 ft higher.