– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Tue 03 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Tue 03 Mar 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 Tue night. Temperatures will be below freezing (max 0°C on Tue afternoon, min -9°C on Wed morning). Winds decreasing (gales from the W on Wed morning, moderate winds from the NNW by Fri morning).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Sun morning, min -3°C on Fri night). Winds increasing (light winds from the N on Fri night, gales from the WNW by Sun night).
	Tue 3		Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	mod. snow	mod. snow	light snow	light snow	some clouds	some clouds	snow shwrs	cloudy	some clouds	some clouds	cloudy	some clouds	clear	clear	clear	cloudy
km/h	SW	SW	W	WNW	WNW	NW	NW	NW	NNW	N	N	N	N	NNW	WNW	WNW	WNW
See all weather maps
cm	—	10	9	4	4	—	—	1	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	0	-2	-7	-7	-7	-6	-6	-5	-2	-2	-1	2	3	3	4	2	-1
min °C	-1	-6	-9	-8	-8	-7	-6	-6	-3	-2	-3	1	3	2	3	0	-2
chill °C	-8	-16	-21	-19	-19	-18	-17	-16	-10	-9	-9	-6	-3	-3	-3	-8	-12

Freezing level m	2550	1950	1400	1300	1300	1050	1250	1000	1600	2000	1200	2900	3450	3550	3450	2900	2300
Cloud base (m)	2500	1850	1800	1800	1800	1800	1800	1800	1800	1800	1800	2250	1800	1800	1800	1800	1800

	—	—	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—	7:31	—	—
	5:58	—	—	5:59	—	—	6:00	—	—	6:01	—	—	6:02	—	—	7:04	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Tue afternoon, min -9°C on Wed morning). Winds decreasing (gales from the W on Wed morning, moderate winds from the NNW by Fri morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Sun morning, min -3°C on Fri night). Winds increasing (light winds from the N on Fri night, gales from the WNW 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	8° C	Dry	Calm (2 kph at 60).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	10° C	Dry	Light winds from the SW (10 kph at 233).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	8° C	Dry and cloudy.	Wind obs. (15 kph from 170 degs) was rejected.	16 km Low: broken Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 49 minutes ago	6° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 167).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 9).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 260).
Bend 40 km E 1102m alt. 2 hours ago	14° C	Dry	Calm (3 kph at 196).

* 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.