– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Wed 11 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Wed 11 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max 0°C on Wed night, min -4°C on Sat morning). Winds decreasing (stormy winds from the W on Wed night, near gales from the WNW by Sat afternoon).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 10°C on Tue afternoon, min -5°C on Sat night). Winds decreasing (near gales from the WNW on Sun night, moderate winds from the W by Tue morning).
		Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level m	2350	2050	2400	2450	2200	2550	2350	1350	1250	950	2750	2700	3250	3550	3850	3850	3900	3950	4050
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1850	1850	6850	3000	2350		3900					9200

	—	7:24	—	—	7:22	—	—	7:20	—	—	7:18	—	—	7:18	—	—	7:16	—	—
	—	—	7:08	—	—	7:09	—	—	7:10	—	—	7:12	—	—	7:14	—	—	7:15	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max 0°C on Wed night, min -4°C on Sat morning). Winds decreasing (stormy winds from the W on Wed night, near gales from the WNW by Sat afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 10°C on Tue afternoon, min -5°C on Sat night). Winds decreasing (near gales from the WNW on Sun night, moderate winds from the W by Tue morning).

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	7° C	Dry	Wind obs. (6 kph from 281 degs) was rejected.
Sunriver 34 km SE 1242m alt. 19 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	7° C	Dry	Light winds from the SSW (16 kph at 206).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	6° C	Dry and cloudy.	Moderate winds from the SSW.(Wind varies from 170 to 230 degs) (20 kph at 200).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 34 minutes ago	5° C	Dry	Light winds from the W (13 kph at 269).
Bend 37 km ESE 1158m alt. 1 hour ago	7° C	Dry	Calm (5 kph at 142).
Bend wx 39 km E 1118m alt. 1 hour ago	7° C	Dry	Moderate winds from the SW (23 kph at 214).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 28 minutes ago	7° C	Dry	Light winds from the SW (8 kph at 235).

* 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.