– Lat/Long: 44.10° N 121.77° W

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

Issued: 9 am Sat 29 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Sun night, min -10°C on Sat night). Winds increasing (light winds from the NNE on Sun morning, severe gales from the NW by Mon night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Thu night. Temperatures will be below freezing (max 0°C on Thu night, min -9°C on Tue morning). Winds increasing (moderate winds from the N on Wed morning, extremely windy from the WNW by Thu night).
	Saturday 29			Sunday 30			Monday 1			Tuesday 2			Wednesday 3			Thursday 4
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	snow shwrs	clear	clear	some clouds	some clouds	cloudy	clear	snow shwrs	clear	some clouds	some clouds	clear	some clouds	cloudy	light snow	mod. snow
km/h	W	WNW	NNW	NNE	N	NNW	N	NNW	WNW	NW	N	NNE	N	NNW	NNW	NW	NW	WNW
See all weather maps
cm	—	—	1	—	—	—	—	—	—	1	—	—	—	—	—	—	1	8
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-4	-5	-8	-5	-3	2	2	1	-3	-8	-8	-5	-4	-3	-2	-1	-1	0
min°C	-4	-6	-10	-6	-4	-1	2	-1	-6	-9	-9	-7	-5	-4	-2	-2	-1	-2
chill°C	-11	-17	-20	-14	-10	-6	-5	-9	-18	-21	-20	-17	-12	-12	-11	-12	-12	-13

Freezing level (m)	2200	2200	1650	1600	1950	3150	3500	3350	2300	1750	1450	1200	2150	2200	2200	2550	2950	2900
Cloud base (m)	1800	8550	1850	1800	1900	8900	6300	6050	2400	1850	1800	1800	6450	5550	2650	1850	1800	1800

	7:18	—	—	7:20	—	—	7:22	—	—	7:22	—	—	7:24	—	—	7:24	—	—
	—	4:30	—	—	4:30	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:29	—

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 -10°C on Sat night). Winds increasing (light winds from the NNE on Sun morning, severe gales from the NW 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 night, min -9°C on Tue morning). Winds increasing (moderate winds from the N 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. 1 hour ago	2° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 39 minutes ago	2° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 50 minutes ago		Dry
Bend 34 km E 1164.6m alt. 30 minutes ago	2° C	-	Calm (0 kph at 349).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	5° C	Clear	Light winds from the SSW (13 kph at 200).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 50 minutes ago	3° C	Dry	Calm (0 kph at 169).
Bend 37 km SSE 1297m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 278).
Bend 37 km ESE 1158m alt. 39 minutes ago	2° C	-	Calm (0 kph at 323).
Camp Sherman 39 km NNE 920.5m alt. 40 minutes ago	4° C	Dry	Calm (2 kph at 21).
Deschutes River Woods wx 40 km ESE 1185m alt. 27 minutes ago	2° C	-	Calm (2 kph at 341).

* 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.