– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 3 pm Mon 09 Nov Local Time

Updates in:

hr min s

Update imminent

Issued: 3 pm Mon 09 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Mon afternoon. Freeze-thaw conditions (max 4°C on Tue night, min -5°C on Mon afternoon). Winds decreasing (stormy winds from the WSW on Mon afternoon, strong winds from the SSW by Wed afternoon).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 3°C on Thu afternoon, min -10°C on Fri night). Winds decreasing (extremely windy from the S on Fri morning, strong winds from the WSW by Fri night).
	Mon 9		Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	some clouds	cloudy	some clouds	some clouds	some clouds	some clouds	clear	clear	some clouds	some clouds	cloudy	heavy snow	snow shwrs	light snow	light snow	some clouds
Cloud base (m)	1900	1850	5850	6400	6250	7950	6900	8650	8700	8800	8550	2250	1900	1850	1850	1850	1800
km/h	WSW	W	WSW	WSW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	S	SSW	SW	WSW	WSW
See all weather maps
cm	6	—	—	—	—	—	—	—	—	—	—	—	11	1	1	5	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	0	1	2	4	4	3	2	2	3	0	-4	-5	-7	-8	-8	-3
min °C	-5	-4	1	1	3	3	3	1	2	0	-3	-5	-7	-10	-9	-9	-8
chill °C	-17	-15	-7	-8	-5	-4	-4	-7	-6	-10	-15	-18	-19	-21	-21	-22	-20

Freezing level m	2600	2750	3300	3300	3550	3550	3550	3450	3450	3500	2950	2450	2350	1850	1800	1750	1800

	—	—	6:54	—	—	6:56	—	—	6:58	—	—	6:58	—	—	7:01	—	—
	4:45	—	—	4:45	—	—	4:44	—	—	4:43	—	—	4:42	—	—	4:40	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Mon afternoon. Freeze-thaw conditions (max 4°C on Tue night, min -5°C on Mon afternoon). Winds decreasing (stormy winds from the WSW on Mon afternoon, strong winds from the SSW by Wed afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 3°C on Thu afternoon, min -10°C on Fri night). Winds decreasing (extremely windy from the S on Fri morning, strong winds from the WSW by Fri night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 3157 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Sister Volcano. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Oregon.

Live conditions reported by 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 61).
Bend 34 km E 1147m alt. 1 hour ago	8°C	Dry	Calm (3 kph at 233).
Bend 34 km E 1164.6m alt. 41 minutes ago	9°C	Dry	Light winds from the S (13 kph at 174).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7°C	Mist -.	Moderate winds from the SSW (24 kph at 210).	6 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	6°C	Dry	Calm (0 kph at 304).
Bend 37 km SSE 1297m alt. 2 hours ago	7°C	Dry	Calm (2 kph at 248).
Camp Sherman 39 km NNE 920.5m alt. 54 minutes ago	9°C	Dry	Calm (0 kph at 8).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8°C	Dry	Wind obs. (24 kph from 163 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 2 hours ago	10°C	Dry	Calm (0 kph at 205).
La Pine 43 km SSE 1298m alt. 2 hours ago	7°C	Dry	Calm (0 kph at 165).

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.