– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Sat 06 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sat 06 Jun Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Mon afternoon. Temperatures will be below freezing (max -2°C on Mon afternoon, min -9°C on Sat night). Winds increasing (light winds from the SW on Sun afternoon, severe gales from the WSW by Mon night).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 8°C on Fri afternoon, min -4°C on Wed morning). Winds decreasing (severe gales from the WNW on Tue night, light winds from the WNW by Thu afternoon).
		Sunday 7			Monday 8			Tuesday 9			Wednesday 10			Thursday 11			Friday 12
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	clear	cloudy	some clouds	light snow	light snow	mod. snow	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	NW	WNW	SSW	WSW	SW	WSW	W	WNW	W	WNW	NW	ENE	NNW	NW	W	WNW	NW	W	NW
See all weather maps
cm	1	—	—	—	1	4	6	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-5	-3	-3	-3	-2	-3	-5	-4	-1	-4	-2	4	4	5	6	6	8	8
min °C	-9	-5	-4	-4	-3	-2	-4	-6	-5	-3	-4	-3	2	4	4	5	5	6	7
chill °C	-20	-13	-8	-12	-12	-12	-15	-18	-16	-14	-15	-11	-3	0	3	1	1	5	3

Freezing level m	1650	2550	2800	2300	2550	2700	2450	2250	2450	2300	2250	2900	3700	3800	4000	4050	4050	4400	4400
Cloud base (m)	1800		5950	3150	2050	1800	1800	1850	2000	1800	1800	1950

	—	5:24	—	—	5:24	—	—	5:22	—	—	5:22	—	—	5:22	—	—	5:22	—	—
	—	—	—	8:46	—	—	8:47	—	—	8:47	—	—	8:49	—	—	8:50	—	—	8:50

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Mon afternoon. Temperatures will be below freezing (max -2°C on Mon afternoon, min -9°C on Sat night). Winds increasing (light winds from the SW on Sun afternoon, severe gales from the WSW by Mon night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 8°C on Fri afternoon, min -4°C on Wed morning). Winds decreasing (severe gales from the WNW on Tue night, light winds from the WNW by Thu afternoon).

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	4° C	Dry	Calm (2 kph at 274).
Bend 34 km E 1147m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 238).
Bend 34 km E 1164.6m alt. 1 hour ago	4° C	Dry	Calm (2 kph at 134).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	4° C	-	Light winds from the SSW (11 kph at 210).	16 km Low: few
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	2° C	-	Calm (0 kph at 250).
Bend 37 km SSE 1297m alt. 47 minutes ago	3° C	Dry	Calm (2 kph at 241).
Bend 37 km ESE 1158m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 309).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 205).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 185).
La Pine 43 km SSE 1298m alt. 3 hours ago	3° C	Dry	Calm (0 kph at 39).

* 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.