– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Sat 29 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sat 29 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. Freeze-thaw conditions (max 2°C on Sun night, min -9°C on Sat night). Winds increasing (light winds from the N on Sun morning, severe gales from the WNW by Mon night).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Thu night. Temperatures will be below freezing (max 0°C on Thu morning, min -8°C on Thu night). Winds increasing (moderate winds from the NNW on Wed morning, extremely windy from the WNW by Thu night).
		Sunday 30			Monday 1			Tuesday 2			Wednesday 3			Thursday 4			Friday 5
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	clear	clear	some clouds	some clouds	cloudy	clear	snow shwrs	clear	some clouds	cloudy	cloudy	some clouds	some clouds	light snow	snow shwrs	snow shwrs	clear	snow shwrs
km/h	NNW	NNE	N	NNW	N	N	NW	NW	NNE	N	NNW	NNW	NNW	NNW	WNW	W	NW	WNW	W
See all weather maps
cm	1	—	—	—	—	—	—	1	—	—	—	—	—	—	2	9	1	—	7
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-7	-5	-2	2	2	0	-1	-8	-7	-4	-4	-4	-2	0	-1	-3	-6	-7	-8
min°C	-9	-6	-3	-1	1	0	-5	-9	-8	-6	-4	-5	-3	-2	-2	-8	-6	-7	-8
chill°C	-21	-14	-9	-6	-6	-8	-17	-21	-19	-15	-11	-13	-11	-11	-13	-22	-20	-20	-21

Freezing level (m)	1600	1650	2000	3200	3450	3200	2650	1700	1350	1400	2300	2150	2200	2750	3000	2300	1700	1550	1500
Cloud base (m)	1800	1800	1900		5800	4450	2150	1800	1800	8400	6700		2000	2300	2000	1800	1800	1800	1800

	—	7:20	—	—	7:22	—	—	7:22	—	—	7:24	—	—	7:24	—	—	7:26	—	—
	—	—	4:30	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Sun night, min -9°C on Sat night). Winds increasing (light winds from the N on Sun morning, severe gales from the WNW by Mon night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Thu night. Temperatures will be below freezing (max 0°C on Thu morning, min -8°C on Thu night). Winds increasing (moderate winds from the NNW on Wed morning, extremely windy from the WNW by Thu night).

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. 3 hours ago	-1° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 2 hours ago	-1° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	0° C	-	Calm (2 kph at 55).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-1° C	Mist -.	Light winds from the N (11 kph at 10).	2 km
Black Butte Ranch wx 36 km NW 1429m alt. 49 minutes ago	-2° C	-	Calm (0 kph at 129).
Bend 37 km SSE 1297m alt. 47 minutes ago	-1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	0° C	-	Calm (0 kph at 319).
Bend wx 39 km E 1118m alt. 52 minutes ago	-1° C	-	Calm (3 kph at 311).
Camp Sherman 39 km NNE 920.5m alt. 49 minutes ago	0° C	-	Calm (0 kph at 21).

* 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.