– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Fri 21 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Fri 21 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 5°C on Sat morning, min -11°C on Sun night). Winds increasing (light winds from the NW on Fri night, near gales from the WSW by Sun morning).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 1°C on Wed morning, min -10°C on Mon morning). Winds increasing (light winds from the NNW on Mon afternoon, near gales from the W by Wed night).
	Friday 21			Saturday 22			Sunday 23			Monday 24			Tuesday 25			Wednesday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	snow shwrs	heavy snow	snow shwrs	snow shwrs	some clouds	some clouds	some clouds	some clouds	cloudy	some clouds	some clouds	snow shwrs
km/h	NNW	N	WNW	W	W	WSW	WSW	W	WNW	WNW	NNW	NNW	WNW	W	W	W	W	W
See all weather maps
cm	—	—	—	—	—	—	1	11	8	2	—	—	—	—	—	—	—	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	3	3	3	5	3	2	0	-5	-10	-9	-9	-6	-3	-2	-1	1	1	1
min°C	2	2	2	4	2	0	-2	-8	-11	-10	-9	-8	-4	-2	-2	0	0	-1
chill°C	0	-1	0	0	-3	-8	-12	-19	-23	-20	-16	-14	-10	-8	-9	-7	-8	-9

Freezing level (m)	2850	3300	3400	3350	3300	3150	2500	1600	900	950	950	600	1700	1950	2100	2500	2600	2750
Cloud base (m)	8450	7250				6100	3950	1900	1800	1800	1850	1750	5050	3100	2000	2050	2700	2600

	7:09	—	—	7:11	—	—	7:11	—	—	7:13	—	—	7:15	—	—	7:16	—	—
	—	4:35	—	—	4:34	—	—	4:32	—	—	4:32	—	—	4:31	—	—	4:31	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 5°C on Sat morning, min -11°C on Sun night). Winds increasing (light winds from the NW on Fri night, near gales from the WSW by Sun morning).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 1°C on Wed morning, min -10°C on Mon morning). Winds increasing (light winds from the NNW on Mon afternoon, near gales from the W by Wed night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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	6° C	Dry	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 48 minutes ago	6° C	Dry	Calm (0 kph at 50).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 54).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	6° C	Clear	Light winds from the SSE (7 kph at 160).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 65).
Bend 37 km SSE 1297m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 48 minutes ago	9° C	Dry	Calm (0 kph at 219).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 329).
Deschutes River Woods wx 40 km ESE 1185m alt. 36 minutes ago	8° C	Dry	Calm (0 kph at 278).

* 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.