Summit forecast, next 72 hours
- New snow0 in
- Strongest gusts10 mphTuesday
- Coldest31°F
| Forecast | Snow | Gusts | Temp °F |
|---|---|---|---|
| Columbus DaySunny | 0 in | 10 mph | High 50° |
| TonightMostly Clear | 0 in | 5 mph | Low 31° |
| TuesdayMostly Sunny | 0 in | 10 mph | High 50° |
| Tuesday NightMostly Cloudy | 0 in | 10 mph | Low 36° |
| WednesdayMostly Sunny | 0 in | 5 mph | High 56° |
| Wednesday NightMostly Clear | 0 in | 5 mph | Low 39° |
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 | Winthrop 1,749 ft · 15 mi northwest of the summit | Mazama 2,141 ft · 29 mi northwest of the summit | ||
|---|---|---|---|---|
| High / low °F | Snow (in) | High / low °F | Snow (in) | |
| Jan | 30° / 15° | 16.6 | 29° / 16° | 34.3 |
| Feb | 38° / 18° | 8.8 | 37° / 19° | 19.6 |
| Mar | 50° / 25° | 3.4 | 46° / 26° | 11.2 |
| Apr | 61° / 32° | 0.1 | 58° / 33° | 0.2 |
| May | 71° / 40° | 0 | 68° / 41° | 0 |
| Jun | 77° / 46° | 0 | 75° / 48° | 0 |
| Jul | 86° / 51° | 0 | 85° / 55° | 0 |
| Aug | 86° / 49° | 0 | 84° / 53° | 0 |
| Sep | 77° / 41° | 0 | 74° / 45° | 0 |
| Oct | 61° / 32° | 1.1 | 57° / 34° | 2.3 |
| Nov | 41° / 25° | 7.6 | 39° / 25° | 17.6 |
| Dec | 29° / 15° | 21.8 | 28° / 16° | 37.9 |
NOAA NCEI U.S. Climate Normals, 1991–2020: WINTHROP 1 WSW (USC00459376, 1,749 ft); MAZAMA (USC00455133, 2,141 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 Loup Loup 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 Loup Loup 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 Loup Loup Pass
How high is Loup Loup Pass?
The summit is 4,022 ft above sea level, on WA-20.
How far is Loup Loup Pass from Twisp and Okanogan?
By road, the summit is 13 miles from Twisp, WA and 19 miles from Okanogan, WA.
How cold does it get near Loup Loup Pass?
The coldest month is January. Winthrop (1,749 ft, 15 mi northwest of the summit) averages a low of 15°F then (1991–2020 normals); the summit is 2,273 ft higher.