– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Sat 28 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sat 28 Feb 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 Sun afternoon. Temperatures will be below freezing (max -2°C on Mon afternoon, min -7°C on Tue morning). Winds increasing (calm on Sun afternoon, near gales from the WSW by Tue morning).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -6°C on Fri morning, min -13°C on Wed morning). Winds increasing (strong winds from the WSW on Tue afternoon, stormy winds from the NNW by Fri morning).
	Sat 28		Sunday 1			Monday 2			Tuesday 3			Wednesday 4			Thursday 5
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	cloudy	mod. snow	mod. snow	some clouds	clear	clear	some clouds	cloudy	heavy snow	heavy snow	mod. snow	snow shwrs	clear	some clouds	mod. snow
km/h	SSE	W	SW	NE	NE	N	NNE	SSW	WSW	WSW	WSW	W	W	WNW	NW	NW	WNW
See all weather maps
cm	—	—	—	8	6	—	—	—	—	—	18	16	10	10	—	—	7
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-4	-5	-5	-5	-4	-2	-2	-6	-7	-8	-12	-11	-9	-8	-8	-9
min °C	-3	-4	-5	-5	-6	-5	-3	-4	-7	-7	-11	-13	-11	-13	-9	-8	-11
chill °C	-6	-10	-11	-5	-11	-12	-8	-13	-17	-17	-25	-28	-26	-27	-21	-19	-26

Freezing level m	2750	2350	2550	2500	2200	2200	2500	2300	2250	2100	1850	1350	1400	1200	1150	1350	1200
Cloud base (m)	1900	2450		2150	1800	1800	2000	1850	1850	2000	1800	1800	1800	1800	1800	1800	1800

	—	—	6:43	—	—	6:41	—	—	6:39	—	—	6:37	—	—	6:35	—	—
	5:53	—	—	5:54	—	—	5:55	—	—	5:58	—	—	5:59	—	—	6:00	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Sun afternoon. Temperatures will be below freezing (max -2°C on Mon afternoon, min -7°C on Tue morning). Winds increasing (calm on Sun afternoon, near gales from the WSW by Tue morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -6°C on Fri morning, min -13°C on Wed morning). Winds increasing (strong winds from the WSW on Tue afternoon, stormy winds from the NNW by Fri morning).

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. 42 minutes ago	8° C	Dry	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 32 minutes ago		Dry
Bend 34 km E 1164.6m alt. 40 minutes ago	9° C	Dry	Calm (0 kph at 37).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	11° C	-	Light winds from the SSW (9 kph at 200).	16 km Low: few
Black Butte Ranch wx 36 km NW 1429m alt. 40 minutes ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 41 minutes ago	10° C	Dry	Calm (0 kph at 313).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 204).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	9° C	Dry	Calm (2 kph at 284).
Bend 40 km E 1102m alt. 32 minutes ago	9° C	Dry	Calm (2 kph at 243).

* 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.