– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sat 10 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 10 May 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 Sun night. Temperatures will be below freezing (max 0°C on Sat night, min -11°C on Sun night). Winds decreasing (gales from the SW on Sat night, moderate winds from the NNW by Mon night).											Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -1°C on Wed night, min -8°C on Tue afternoon). Winds decreasing (strong winds from the NNW on Tue night, light winds from the NW by Thu afternoon).
	Sat 10		Sunday 11			Monday 12			Tuesday 13			Wednesday 14			Thursday 15
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	some clouds	some clouds	light snow	light snow	snow shwrs	some clouds	light snow	light snow	snow shwrs	some clouds	some clouds	clear	clear	some clouds	some clouds
km/h	SW	SW	SSW	SW	SW	W	W	NW	NW	NNW	NNW	NNW	NNW	NNW	NW	NW	WNW
See all weather maps
cm	—	—	—	—	5	2.0	3	—	4	1.0	1.0	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-1	0	-6	-7	-8	-11	-9	-8	-9	-7	-4	-4	-4	-1	-1	-2	-2
min°C	-1	-6	-7	-7	-11	-11	-10	-9	-10	-8	-7	-5	-5	-3	-1	-2	-3
chill°C	-9	-17	-16	-17	-23	-22	-20	-18	-20	-16	-16	-13	-12	-10	-7	-6	-10

Freezing level (m)	3000	2350	2350	2200	1700	1800	1800	1600	1750	1900	1950	1900	2150	2350	2900	2750	1650
Cloud base (m)	6200	2800	2250	2450	1800	1800	1850	1800	1800	1800	1800	1800	1800	1800	1800	6700	1850

	—	—	5:45	—	—	5:43	—	—	5:43	—	—	5:41	—	—	5:41	—	—
	—	8:20	—	—	8:21	—	—	8:22	—	—	8:23	—	—	8:24	—	—	8:25

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max 0°C on Sat night, min -11°C on Sun night). Winds decreasing (gales from the SW on Sat night, moderate winds from the NNW by Mon night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max -1°C on Wed night, min -8°C on Tue afternoon). Winds decreasing (strong winds from the NNW on Tue night, light winds from the NW by Thu afternoon).

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 2 hours ago	12° C	Dry	Calm (3 kph at 262).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	13° C	Dry	Calm (3 kph at 281).
Sunriver 34 km SE 1242m alt. 53 minutes ago		Dry
Bend 34 km E 1164.6m alt. 41 minutes ago	15° C	Dry	Calm (3 kph at 46).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	13° C	Clear	Light winds from the W (13 kph at 260).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	7° C	Dry	Light winds from the W (8 kph at 274).
Bend wx 36 km E 1118m alt. 1 hour ago	22° C	Dry	Calm (2 kph at 18).
Bend 37 km SSE 1297m alt. 53 minutes ago	12° C	Dry	Light winds from the WNW (8 kph at 292).
Bend 37 km ESE 1158m alt. 1 hour ago	17° C	Dry	Calm (0 kph at 225).
Bend wx 39 km E 1118m alt. 3 hours ago	19° C	Dry	Light winds from the SW (8 kph at 226).

* 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.