– Lat/Long: 44.10° N 121.77° W

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

Issued: 4 pm Fri 10 Apr 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 Sat afternoon. Temperatures will be below freezing (max -3°C on Fri afternoon, min -9°C on Mon morning). Winds increasing (light winds from the S on Sun morning, near gales from the WNW by Mon morning).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -6°C on Mon night, min -17°C on Wed afternoon). Winds increasing (strong winds from the WNW on Mon night, extremely windy from the W by Tue night).
	Fri 10		Saturday 11			Sunday 12			Monday 13			Tuesday 14			Wednesday 15
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	snow shwrs	light snow	light snow	light snow	light snow	mod. snow	snow shwrs	snow shwrs	some clouds	cloudy	light snow	heavy snow	snow shwrs	mod. snow	snow shwrs
km/h	SSE	SW	SW	SSE	S	WNW	NW	NW	WNW	WNW	WNW	WSW	WSW	W	W	WNW	NNW
See all weather maps
cm	—	4	1	4	4	2	3	6	2	2	—	—	2	19	3	8	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-4	-7	-6	-6	-7	-8	-7	-8	-7	-6	-7	-9	-10	-16	-16	-11
min °C	-3	-7	-7	-6	-7	-8	-8	-8	-9	-9	-7	-7	-10	-13	-16	-17	-16
chill °C	-10	-13	-15	-12	-15	-14	-16	-19	-21	-20	-17	-18	-25	-29	-32	-32	-31

Freezing level m	2800	2250	2200	2350	2100	2050	1800	1600	1450	1450	1000	1600	1550	1350	1050	950	400
Cloud base (m)	3000	1850	1800	2300	2050	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800

	—	—	6:31	—	—	6:28	—	—	6:26	—	—	6:24	—	—	6:24	—	—
	7:44	—	—	7:45	—	—	7:46	—	—	7:47	—	—	7:49	—	—	7:50	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sat afternoon. Temperatures will be below freezing (max -3°C on Fri afternoon, min -9°C on Mon morning). Winds increasing (light winds from the S on Sun morning, near gales from the WNW by Mon morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -6°C on Mon night, min -17°C on Wed afternoon). Winds increasing (strong winds from the WNW on Mon night, extremely windy from the W by Tue 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. 47 minutes ago	6° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1164.6m alt. 47 minutes ago	9° C	Dry	Calm (0 kph at 85).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	8° C	Dry and cloudy.	Light winds from the SW (7 kph at 220).	16 km Low: broken Mid: overcast
Bend 37 km SSE 1297m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 284).
Bend 37 km ESE 1158m alt. 45 minutes ago	9° C	Dry	Calm (0 kph at 204).
Bend wx 39 km E 1118m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 158).
Deschutes River Woods wx 40 km ESE 1185m alt. 34 minutes ago	7° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	7° C	Dry	Calm (2 kph at 212).
Cloverdale wx 42 km NE 947m alt. 41 minutes ago	8° C	Dry	Calm (0 kph at 220).
La Pine 43 km SSE 1298m alt. 39 minutes ago	7° C	Dry	Calm (0 kph at 72).

* 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.