Summit forecast, next 72 hours
- New snow1.5 in
- Strongest gusts30 mphTonight
- Coldest23°F
| Forecast | Snow | Gusts | Temp °F |
|---|---|---|---|
| Columbus DaySlight Chance T-storms | 0 in | 30 mph | High 44° |
| TonightSlight Chance T-storms | 0 in | 30 mph | Low 34° |
| TuesdaySnow Showers Likely | <½ in | 30 mph | High 39° |
| Tuesday NightSnow Showers | <½ in | 25 mph | Low 30° |
| WednesdaySnow Showers | 1 in | 20 mph | High 33° |
| Wednesday NightSlight Chance Snow Showers then Partly Cloudy | 0 in | 15 mph | Low 23° |
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 | Slumgullion 11,440 ft · 1 mi east of the summit | Santa Maria Reservoir 9,687 ft · 13 mi southeast of the summit | Rio Grande Reservoir 9,492 ft · 18 mi south of the summit | |
|---|---|---|---|---|
| Precip (in) | High / low °F | High / low °F | Snow (in) | |
| Jan | 2.0 | 35° / 2° | 34° / -4° | 19.3 |
| Feb | 2.1 | 36° / 3° | 37° / -2° | 18.8 |
| Mar | 2.4 | 42° / 12° | 43° / 9° | 15.3 |
| Apr | 2.8 | 48° / 19° | 50° / 20° | 14.5 |
| May | 1.7 | 58° / 27° | 60° / 30° | 3.7 |
| Jun | 0.6 | 68° / 34° | 71° / 36° | 0 |
| Jul | 2.2 | 73° / 40° | 76° / 42° | 0 |
| Aug | 2.3 | 70° / 39° | 73° / 41° | 0.2 |
| Sep | 1.8 | 64° / 33° | 68° / 35° | 0.5 |
| Oct | 2.2 | 55° / 23° | 58° / 25° | 7.7 |
| Nov | 2.1 | 43° / 13° | 44° / 12° | 15.1 |
| Dec | 2.1 | 34° / 2° | 34° / -3° | 12.6 |
NOAA NCEI U.S. Climate Normals, 1991–2020: Slumgullion (USS0007M30S, 11,440 ft); SANTA MARIA RSVR (USC00057450, 9,687 ft); RIO GRANDE RSVR (USC00057050, 9,492 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.
- Colorado · CDOTCOtrip conditions and cameras
- Colorado · winter rulesTraction and chain laws
Check the official National Weather Service forecast for the summit and the road report before you leave.
Crossing Slumgullion 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 Slumgullion Pass
How high is Slumgullion Pass?
The summit is 11,369 ft above sea level, on CO-149.
How far is Slumgullion Pass from Lake City and Creede?
By road, the summit is 10 miles from Lake City, CO and 41 miles from Creede, CO.
What is the wettest month at Slumgullion Pass?
April. The Slumgullion snow-monitoring site (11,440 ft, 1 mi east of the summit) averages 2.8 inches of precipitation that month, counting the water in melted snow (1991–2020 normals).
How cold does it get near Slumgullion Pass?
The coldest month is January. Santa Maria Reservoir (9,687 ft, 13 mi southeast of the summit) averages a low of 2°F then (1991–2020 normals); the summit is 1,682 ft higher.