– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Mon 16 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Mon 16 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Thu morning. Extremely cold (max -17°C on Wed afternoon, min -20°C on Mon night). Winds decreasing (gales from the SW on Mon night, light winds from the N by Thu morning).										Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -5°C on Sat night, min -16°C on Thu night). Winds increasing (moderate winds from the NNW on Thu night, stormy winds from the SSW by Sun afternoon).
		Tuesday 17			Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. snow	light snow	light snow	light snow	some clouds	light snow	light snow	light snow	snow shwrs	clear	clear	some clouds	some clouds	cloudy	cloudy	clear	cloudy	light snow	heavy snow
km/h	SW	SW	WSW	WNW	W	W	SW	N	NNW	NNW	WNW	WSW	WSW	S	S	SSW	SSW	SSW	SW
See all weather maps
cm	6	1	1	3	—	2	3	4	2	—	—	—	—	—	—	—	—	1	15
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-18	-19	-19	-19	-18	-17	-17	-18	-17	-12	-11	-11	-9	-7	-7	-5	-5	-6	-8
min °C	-20	-19	-19	-19	-19	-17	-18	-18	-17	-16	-11	-12	-11	-8	-7	-6	-5	-7	-9
chill °C	-36	-32	-28	-30	-33	-31	-26	-26	-28	-28	-21	-23	-23	-18	-18	-17	-17	-19	-19

Freezing level m	250	700	750	100	550	750	400	750	800	0	800	1400	900	1350	1900	900	1850	2150	1250
Cloud base (m)	1800	1850	2000	1800	1800	1800	1800	1800	1800	1800	5400	4800	2500	2200	6350	1800	1900	2000	1800

	—	7:03	—	—	7:01	—	—	7:00	—	—	6:58	—	—	6:56	—	—	6:54	—	—
	—	—	5:38	—	—	5:39	—	—	5:42	—	—	5:43	—	—	5:44	—	—	5:45	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Thu morning. Extremely cold (max -17°C on Wed afternoon, min -20°C on Mon night). Winds decreasing (gales from the SW on Mon night, light winds from the N by Thu morning).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max -5°C on Sat night, min -16°C on Thu night). Winds increasing (moderate winds from the NNW on Thu night, stormy winds from the SSW by Sun 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	-2° C	-	Calm (0 kph at 10).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	-2° C	-	Calm (5 kph at 151).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-3° C	Dry and partly cloudy.	Light winds from the SSW (15 kph at 200).	16 km Low: broken Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	-5° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	-2° C	-	Calm (0 kph at 192).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-2° C	-	Calm (0 kph at 9).
Deschutes River Woods wx 40 km ESE 1185m alt. 57 minutes ago	-4° C	-	Calm (2 kph at 163).
Bend 40 km E 1102m alt. 1 hour ago	-1° C	-	Calm (0 kph at 326).

* 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.