– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Tue 30 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Tue 30 Dec 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 Thu night. Freeze-thaw conditions (max 6°C on Tue night, min -6°C on Fri morning). Winds increasing (light winds from the SSW on Wed morning, severe gales from the WSW by Thu night).										Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -3°C on Fri night, min -8°C on Sat morning). Winds decreasing (severe gales from the SSW on Sat night, moderate winds from the SW by Mon afternoon).
		Wednesday 31			Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	light snow	light snow	cloudy	snow shwrs	cloudy	some clouds	snow shwrs	some clouds	cloudy	some clouds	cloudy	cloudy	cloudy	cloudy	light snow	snow shwrs
km/h	S	SSW	W	S	SW	WSW	SW	SW	SW	SW	SSW	SSW	SSW	SSW	SSW	SW	SSW	S	WSW
See all weather maps
cm	—	—	—	1	2	—	3	—	—	1	—	—	—	—	—	—	—	2	6
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	3	2	1	-1	-3	-4	-4	-2	-3	-7	-7	-6	-7	-7	-7	-8	-6	-7
min °C	4	2	1	-2	-2	-3	-5	-6	-2	-7	-8	-7	-7	-7	-7	-8	-8	-8	-9
chill °C	0	-2	-2	-9	-11	-12	-16	-15	-10	-17	-20	-18	-19	-20	-17	-17	-18	-19	-21

Freezing level m	3800	3550	3400	3150	2800	2600	2300	2200	2600	2300	2050	2050	1900	2000	2050	1900	1900	1850	1700
Cloud base (m)	8750	6400	5800	4050	1850	1800	1950	1800	1800	2300	1800	1850	1850	1850	1850	1800	1850	1800	1800

	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—
	—	—	4:37	—	—	4:38	—	—	4:39	—	—	4:40	—	—	4:42	—	—	4:43	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 6°C on Tue night, min -6°C on Fri morning). Winds increasing (light winds from the SSW on Wed morning, severe gales from the WSW by Thu night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max -3°C on Fri night, min -8°C on Sat morning). Winds decreasing (severe gales from the SSW on Sat night, moderate winds from the SW by Mon 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 1 hour ago	-8° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	-7° C	-	Calm (0 kph at —).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	-1° C	-	Calm (0 kph at 109).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-4° C	Clear	Light winds from the S (11 kph at 190).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	-6° C	-	Calm (0 kph at 205).
Bend 37 km SSE 1297m alt. 51 minutes ago	-7° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	-3° C	-	Calm (0 kph at 327).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	-8° C	-	Calm (0 kph at 128).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	2° C	-	Light winds from the SSE (6 kph at 168).

* 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.