– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Tue 23 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Tue 23 Dec 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 Wed morning. Temperatures will be below freezing (max -1°C on Tue night, min -7°C on Thu night). Winds decreasing (gales from the S on Tue night, moderate winds from the SSE by Thu night).										Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon morning, min -8°C on Fri night). Winds decreasing (strong winds from the W on Fri night, calm by Sun night).
		Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28			Monday 29
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	mod. snow	some clouds	cloudy	cloudy	snow shwrs	light snow	snow shwrs	snow shwrs	light snow	some clouds	clear	clear	clear	clear	clear	clear	clear	clear
km/h	S	S	SW	S	S	SSW	S	WSW	W	W	NNW	NNW	NNW	NNE	N	WNW	SW	WSW	SW
See all weather maps
cm	—	7	—	—	—	1	5	1	2	2	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-2	-4	-4	-4	-6	-6	-6	-6	-7	-5	-5	-2	1	0	2	4	4	4
min °C	-2	-5	-5	-4	-5	-6	-7	-6	-7	-8	-6	-5	-4	0	-1	-1	4	3	4
chill °C	-12	-15	-13	-13	-15	-16	-17	-14	-16	-19	-14	-12	-10	-3	-4	-3	3	1	2

Freezing level m	2050	2200	1550	1250	1900	1700	1300	1450	1450	1200	800	850	600	2450	2500	1550	3700	3700	3800
Cloud base (m)	1800	1850	1850	1900	1850	1900	1950	1850	1850	1800	1850	1850	1800		1800	8500

	—	7:39	—	—	7:39	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—
	—	—	4:32	—	—	4:32	—	—	4:34	—	—	4:35	—	—	4:36	—	—	4:36	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max -1°C on Tue night, min -7°C on Thu night). Winds decreasing (gales from the S on Tue night, moderate winds from the SSE by Thu night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon morning, min -8°C on Fri night). Winds decreasing (strong winds from the W on Fri night, calm by Sun 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. 50 minutes ago	1° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 2 hours ago	1° C	-	Calm (0 kph at —).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 40 minutes ago	1° C	-	Calm (0 kph at 334).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	0° C	Dry and cloudy.	Light winds from the NNE (15 kph at 30).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-1° C	-	Calm (0 kph at 191).
Bend 37 km SSE 1297m alt. 55 minutes ago	0° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	1° C	-	Calm (0 kph at 288).
Bend wx 39 km E 1118m alt. 3 hours ago	1° C	-	Calm (2 kph at 296).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	1° C	-	Calm (0 kph at 142).

* 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.