– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Sun 22 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sun 22 Feb 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 -1°C on Mon night, min -10°C on Tue night). Winds decreasing (gales from the WSW on Sun night, light winds from the NW by Wed afternoon).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Sat morning, min -6°C on Wed night). Winds increasing (light winds from the NW on Wed night, strong winds from the W by Thu night).
		Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27			Saturday 28
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. snow	light snow	light snow	heavy snow	mod. snow	light snow	snow shwrs	clear	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	some clouds	cloudy	cloudy	cloudy
km/h	SW	SW	SW	WSW	WSW	WSW	W	WNW	NW	WNW	WNW	W	W	WNW	WNW	W	W	WSW	W
See all weather maps
cm	6	1	1	17	6	3	15	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-2	-2	-1	-1	-2	-4	-7	-5	-4	-1	-1	-1	0	0	-1	1	0	-2
min °C	-3	-3	-2	-2	-1	-3	-10	-9	-6	-6	-2	-2	-2	0	-1	-1	0	-2	-3
chill °C	-13	-13	-11	-11	-10	-13	-22	-20	-11	-11	-8	-10	-10	-7	-8	-8	-6	-8	-11

Freezing level m	1950	2000	2200	2250	2300	2200	1400	950	1200	400	1900	2300	1200	2500	2550	1450	2550	2450	2050
Cloud base (m)	1800	1800	1900	1800	1800	1800	1850	1850	1850			1800		6300		8850	6650		1800

	—	6:52	—	—	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—	6:45	—	—
	—	—	5:46	—	—	5:49	—	—	5:50	—	—	5:51	—	—	5:52	—	—	5:53	—

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 -1°C on Mon night, min -10°C on Tue night). Winds decreasing (gales from the WSW on Sun night, light winds from the NW by Wed afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 1°C on Sat morning, min -6°C on Wed night). Winds increasing (light winds from the NW on Wed night, strong winds from the W by Thu 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. 58 minutes ago	2° 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 WSW (8 kph at 238).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	6° C	Light rain .	Moderate winds from the SSW (22 kph at 200).	16 km Low: scattered Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 58 minutes ago	7° C	Dry	Calm (0 kph at 168).
Camp Sherman 39 km NNE 920.5m alt. 57 minutes ago	2° C	-	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 44 minutes ago	7° C	Dry	Calm (3 kph at 184).
Bend 40 km E 1102m alt. 48 minutes ago	-5° C	-	Wind obs. (14 kph from 276 degs) was rejected.

* 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.