Mount Thielsen
Location: Douglas County, OR, US
Elevation: 9,190 feet
1 recorded summits
Current Conditions
Weather: Clear sky
Temperature: 35°F
Wind: 3 mph
Humidity: 37%
7-Day Summit Window
Best day: 2026-05-22 (score: 95/100)
- 2026-05-22: Excellent (95/100) - Clear skies, calm winds
- 2026-05-23: Excellent (90/100) - Clear skies, breezy
- 2026-05-24: Excellent (90/100) - Clear skies, breezy
- 2026-05-25: Good (70/100) - Overcast, strong winds
- 2026-05-26: Poor (35/100) - Snow likely, breezy, cold
- 2026-05-27: Good (80/100) - Partly cloudy, calm winds, cool
- 2026-05-28: Excellent (90/100) - Partly cloudy, calm winds
Avalanche Forecast - Southern Oregon
Air Quality
AQI: 11 (Good)
Snow Conditions
Trend: stable
- Diamond Lake: 0" depth, 0" SWE
- Chemult Alternate: 0" depth, 0" SWE
- Toketee Airstrip: 0" depth, 0" SWE
Stream Flow
- MILLER CREEK NEAR BEAVER MARSH, OR: normal (10.2 cfs)
- CLEARWATER RIVER ABV TRAP CK NR TOKETEE FALLS, OR: normal (69.2 cfs)
- N.UMPQUA R ABV WHITE MULE CK, NR TOKETEE FALLS, OR: normal (80 cfs)
Trail Alerts (3)
- North Entrance Road and Rim Drive are currently CLOSED: The North Entrance Road and Rim Drive (from Discovery Point to Park Headquarters) are currently CLOSED. They will not reopen until mid to late June or July 2026.
- Cleetwood Cove Trail is CLOSED for Rehabilitation: The Cleetwood Cove Trail is CLOSED for construction. This critical project will fully rehabilitate the trail and marina to ensure safe access to the lake, provide a much-improved visitor experience, and protect the environment.
- Roads May Be Icy - Please Use Caution!: Even though the sun is shining, the open roads in the park may still have icy patches, especially in the mornings and evenings when the temperatures drop. Please drive with caution.
Public Lands
- Umpqua National Forest (NF, USFS)
Part of 1 Challenge
Recent Summits
- 6/25/2021