– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Sun 08 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sun 08 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 1°C on Sun night, min -13°C on Mon night). Winds increasing (fresh winds from the W on Tue afternoon, severe gales from the W by Wed afternoon).										Days 5–7 Weather Summary A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 1°C on Fri afternoon, min -2°C on Wed night). Winds decreasing (severe gales from the W on Fri night, near gales from the WNW by Sat afternoon).
		Monday 9			Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	some clouds	light snow	light snow	light snow	snow shwrs	light snow	light snow	light snow	cloudy	cloudy	cloudy	cloudy	some clouds	light snow	light snow	cloudy	some clouds
km/h	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WNW	WNW
See all weather maps
cm	—	—	—	2	2	2	1	1	1	2	—	—	—	—	—	4	2	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	-5	-6	-9	-13	-10	-6	-3	-2	-1	-1	-1	0	0	1	0	0	0	0
min °C	-4	-6	-7	-13	-13	-11	-8	-4	-2	-2	-1	-2	-1	0	0	-1	0	0	-1
chill °C	-15	-16	-18	-26	-25	-22	-19	-15	-12	-12	-11	-12	-10	-9	-9	-11	-10	-9	-9

Freezing level m	1550	1050	1250	700	850	1100	850	1700	2000	2200	2250	2200	2450	2600	2650	2550	2450	2600	1850
Cloud base (m)	1800	1800	2100	1800	1850	1800	1800	1800	1800	1800	1800	1800	1800	1850	1900	1800	1800	1800	1950

	—	7:30	—	—	7:28	—	—	7:26	—	—	7:24	—	—	7:22	—	—	7:20	—	—
	—	—	7:05	—	—	7:06	—	—	7:07	—	—	7:08	—	—	7:09	—	—	7:10	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 1°C on Sun night, min -13°C on Mon night). Winds increasing (fresh winds from the W on Tue afternoon, severe gales from the W by Wed afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 1°C on Fri afternoon, min -2°C on Wed night). Winds decreasing (severe gales from the W on Fri night, near gales from the WNW by Sat afternoon).

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	6° C	Dry	Calm (2 kph at 38).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	6° C	Dry and cloudy.	Moderate winds from the SW (22 kph at 220).	16 km Low: broken Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 51 minutes ago	4° C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 148).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	5° C	Dry	Wind obs. (6 kph from 144 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	6° C	Dry	Wind obs. (6 kph from 162 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 44 minutes ago	7° C	Dry	Calm (5 kph at 186).
La Pine 43 km SSE 1298m alt. 44 minutes ago	4° C	Dry	Calm (3 kph at 215).

* 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.