– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Mon 09 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Mon 09 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 Tue morning. Temperatures will be below freezing (max -2°C on Wed night, min -17°C on Mon night). Winds increasing (strong winds from the W on Tue afternoon, extremely windy from the W by Wed night).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Sun afternoon, min -7°C on Sat afternoon). Winds decreasing (extremely windy from the W on Fri night, strong winds from the NW by Sun afternoon).
		Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	light snow	light snow	light snow	cloudy	light snow	snow shwrs	clear	clear	clear	clear	clear	heavy snow	clear	clear	some clouds	clear	some clouds	some clouds
km/h	W	W	W	W	W	W	W	W	W	W	W	W	W	WNW	NW	NNW	NNW	NW	NW
See all weather maps
cm	3	3	1	5	—	3	1	—	—	—	—	—	21	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-12	-17	-15	-9	-7	-4	-2	-3	-2	-1	-1	-1	-4	-6	-6	-5	-1	0	3
min °C	-17	-17	-16	-14	-8	-5	-4	-4	-3	-3	-1	-2	-6	-6	-7	-6	-3	-1	1
chill °C	-33	-33	-30	-29	-21	-18	-17	-17	-15	-15	-12	-14	-19	-20	-20	-17	-12	-9	-7

Freezing level m	700	900	1150	1050	1700	1850	2150	2200	2350	2550	2900	2550	2000	1000	1400	850	2750	3150	3700
Cloud base (m)	1800	1850	1900	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	1850	7200	5950	3300

	—	7:28	—	—	7:26	—	—	7:24	—	—	7:22	—	—	7:20	—	—	7:18	—	—
	—	—	7:06	—	—	7:07	—	—	7:08	—	—	7:09	—	—	7:10	—	—	7:12	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Tue morning. Temperatures will be below freezing (max -2°C on Wed night, min -17°C on Mon night). Winds increasing (strong winds from the W on Tue afternoon, extremely windy from the W by Wed night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Sun afternoon, min -7°C on Sat afternoon). Winds decreasing (extremely windy from the W on Fri night, strong winds from the NW by Sun 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 41 minutes ago	-1° C	-	Calm (0 kph at 238).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-1° C	Dry and cloudy.	Light winds from the SSW (7 kph at 210).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 40 minutes ago	-2° C	-	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 51 minutes ago	-1° C	-	Calm (0 kph at 231).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-2° C	-	Calm (0 kph at 5).
Deschutes River Woods wx 40 km ESE 1185m alt. 36 minutes ago	-1° C	-	Calm (0 kph at 285).
Cloverdale wx 42 km NE 947m alt. 52 minutes ago	-2° C	-	Calm (0 kph at 0).
La Pine 43 km SSE 1298m alt. 50 minutes ago	-3° C	-	Calm (0 kph at 296).

* 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.