Mount Thielsen

Current Conditions

Weather: Clear sky

Temperature: 31°F

Wind: 4 mph

Humidity: 51%

7-Day Summit Window

Best day: 2026-04-09 (score: 90/100)

• 2026-04-03: Good (77/100) - Clear skies, calm winds, cold
• 2026-04-04: Good (77/100) - Overcast, calm winds, cool
• 2026-04-05: Excellent (87/100) - Overcast, calm winds
• 2026-04-06: Excellent (79/100) - Clear skies, calm winds, cool
• 2026-04-07: Marginal (52/100) - Overcast, strong winds, cold
• 2026-04-08: Marginal (55/100) - Chance of precipitation, breezy, cool
• 2026-04-09: Excellent (90/100) - Partly cloudy, calm winds

Avalanche Forecast - Southern Oregon

Air Quality

AQI: 11 (Good)

Snow Conditions

Trend: stable

• Diamond Lake: 1" depth, 0.5" SWE
• Chemult Alternate: 1" depth, 0" SWE
• Toketee Airstrip: 0" depth, 0.3" SWE

Stream Flow

• MILLER CREEK NEAR BEAVER MARSH, OR: normal (13.1 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: flood (71.7 cfs)

Trail Alerts (3)

• North Entrance Road and Rim Drive are CLOSED for the Season: The North Entrance Road and Rim Drive are now CLOSED for the season. They will not reopen until mid to late June or July 2026.
• No Gasoline Available in Park: The gas station at Mazama Village has closed for the season. No gasoline is available for purchase in the park. Running out of gas will require calling a tow truck to assist. Please plan accordingly!
• 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

• Cascade Volcanoes

Recent Summits

• 6/25/2021