– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Wed 26 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Wed 26 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Temperatures will be below freezing (max 0°C on Wed night, min -7°C on Thu afternoon). Winds decreasing (stormy winds from the W on Thu afternoon, light winds from the NE by Fri morning).											Days 5–7 Weather Summary A light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 4°C on Mon morning, min -9°C on Sat night). Winds increasing (light winds from the NNW on Sun afternoon, severe gales from the WNW by Tue morning).
	Wed 26		Thursday 27			Friday 28			Saturday 29			Sunday 30			Monday 1
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	snow shwrs	some clouds	snow shwrs	clear	some clouds	some clouds	some clouds	light snow	snow shwrs	clear	clear	clear	some clouds	cloudy	cloudy
km/h	WSW	WSW	WSW	WSW	WNW	N	E	WSW	WNW	NW	NNW	NE	NNW	NNW	N	NNW	WNW
See all weather maps
cm	—	—	2	—	1	—	—	—	—	5	3	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-1	0	-4	-4	-6	-4	-2	-1	-4	-7	-7	-4	-3	2	4	3	-1
min°C	-1	-3	-6	-7	-7	-5	-2	-3	-5	-8	-9	-5	-4	-2	4	2	-4
chill°C	-9	-13	-18	-20	-19	-12	-8	-11	-16	-19	-18	-12	-9	-8	0	-5	-14

Freezing level (m)	2900	2900	2350	2150	1900	2050	2550	2050	2300	1800	1500	1500	1850	1350	3700	3600	2800
Cloud base (m)	4050		2200	1850	1800	1800	1900	1800	1800	1900	1800	1800	2050		7150	6250	1950

	—	—	7:16	—	—	7:18	—	—	7:18	—	—	7:20	—	—	7:22	—	—
	4:31	—	—	4:30	—	—	4:30	—	—	4:30	—	—	4:30	—	—	4:29	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be below freezing (max 0°C on Wed night, min -7°C on Thu afternoon). Winds decreasing (stormy winds from the W on Thu afternoon, light winds from the NE by Fri morning).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 4°C on Mon morning, min -9°C on Sat night). Winds increasing (light winds from the NNW on Sun afternoon, severe gales from the WNW by Tue 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 47 minutes ago	-1° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	-1° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	7° C	Dry	Light winds from the S (6 kph at 184).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-1° C	-	Light winds from the SSW (7 kph at 210).	16 km Low: few
Black Butte Ranch wx 36 km NW 1429m alt. 28 minutes ago	0° C	-	Calm (0 kph at 249).
Bend 37 km SSE 1297m alt. 47 minutes ago	-3° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 199).
Camp Sherman 39 km NNE 920.5m alt. 44 minutes ago	0° C	-	Calm (0 kph at 7).
Deschutes River Woods wx 40 km ESE 1185m alt. 37 minutes ago	-1° C	-	Calm (2 kph at 289).

* 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.