– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Mon 09 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 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 night. Temperatures will be below freezing (max -3°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 moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -1°C on Thu night, min -6°C on Sat morning). Winds decreasing (extremely windy from the W on Fri afternoon, strong winds from the NW by Sun morning).
	Mon 9		Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	snow shwrs	light snow	light snow	light snow	cloudy	light snow	some clouds	cloudy	clear	clear	clear	clear	snow shwrs	clear	clear	some clouds
km/h	W	W	W	W	WNW	W	W	W	W	W	W	W	W	W	NW	NNW	NW
See all weather maps
cm	—	3	2	1	4	—	2	—	—	—	—	—	—	12	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-10	-12	-17	-15	-9	-6	-4	-3	-3	-3	-1	-1	-1	-3	-5	-5	-3
min °C	-11	-17	-17	-17	-14	-8	-4	-4	-4	-3	-4	-1	-2	-5	-6	-6	-5
chill °C	-25	-33	-33	-31	-29	-21	-17	-17	-17	-15	-16	-12	-14	-18	-18	-17	-15

Freezing level m	1350	650	850	1100	1000	1700	2000	2200	2250	2350	2650	3050	2550	1950	1350	2050	1550
Cloud base (m)	1800	1800	1850	1950	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	9400

	—	—	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 moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -3°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 moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -1°C on Thu night, min -6°C on Sat morning). Winds decreasing (extremely windy from the W on Fri afternoon, strong winds from the NW by Sun morning).

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. 40 minutes ago	2° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	1° C	Clear	Light winds from the SW (6 kph at 220).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	0° C	-	Calm (3 kph at 293).
Bend 37 km ESE 1158m alt. 40 minutes ago	2° C	-	Calm (0 kph at 35).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	2° C	-	Calm (3 kph at 7).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	1° C	-	Calm (0 kph at —).
Cloverdale wx 42 km NE 947m alt. 57 minutes ago	3° C	Dry	Calm (2 kph at 262).
La Pine 43 km SSE 1298m alt. 3 hours ago	4° C	Dry	Calm (3 kph at 337).

* 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.