– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Wed 11 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 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 heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Wed night, min -7°C on Fri night). Winds decreasing (extremely windy from the W on Wed night, stormy winds from the W by Fri night).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Mon night, min -6°C on Sat afternoon). Winds decreasing (stormy winds from the WNW on Sat afternoon, fresh winds from the W by Mon night).
	Wed 11		Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	clear	light snow	light snow	snow shwrs	clear	clear	heavy snow	snow shwrs	clear	some clouds	some clouds	cloudy	some clouds	some clouds	clear	clear
km/h	W	W	W	W	W	W	W	W	WNW	NW	NW	NW	WNW	WNW	NW	WNW	W
See all weather maps
cm	1	—	3	2	3	—	—	22	2	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-2	-5	-4	-3	-2	-3	-3	-6	-6	-4	-1	-1	2	2	4	5
min °C	-4	-3	-6	-5	-4	-3	-3	-7	-7	-6	-6	-3	-1	0	2	3	4
chill °C	-17	-16	-20	-18	-17	-15	-15	-20	-21	-19	-18	-13	-10	-9	-7	-4	-2

Freezing level m	2150	2400	2050	2250	2400	2500	2500	2200	1300	1350	1000	2800	2950	3500	3600	3900	3850
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	1850	2000	1800	3050	2300		2700	2450

	—	—	7:24	—	—	7:22	—	—	7:20	—	—	7:18	—	—	7:18	—	—
	7:07	—	—	7:08	—	—	7:09	—	—	7:10	—	—	7:12	—	—	7:14	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Wed night, min -7°C on Fri night). Winds decreasing (extremely windy from the W on Wed night, stormy winds from the W by Fri night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Mon night, min -6°C on Sat afternoon). Winds decreasing (stormy winds from the WNW on Sat afternoon, fresh winds from the W by Mon 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 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	Light winds from the W (8 kph at 263).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 46 minutes ago	8° C	Dry	Light winds from the SW (18 kph at 215).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7° C	Clear	Moderate winds from the SSW (20 kph at 200).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	2° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 45 minutes ago	6° C	Dry	Light winds from the WSW (10 kph at 255).
Bend 37 km ESE 1158m alt. 1 hour ago	8° C	Dry	Calm (3 kph at 190).
Bend wx 39 km E 1118m alt. 35 minutes ago	8° C	Dry	Moderate winds from the WSW (26 kph at 237).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 203).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	8° C	Dry	Light winds from the WSW (10 kph at 250).

* 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.