– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Sat 11 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sat 11 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 Sun morning. Temperatures will be below freezing (max -5°C on Mon night, min -9°C on Sun afternoon). Winds increasing (light winds from the NNE on Sun morning, stormy winds from the WSW by Tue afternoon).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -5°C on Fri afternoon, min -18°C on Wed night). Winds decreasing (stormy winds from the W on Tue night, calm by Fri afternoon).
		Sunday 12			Monday 13			Tuesday 14			Wednesday 15			Thursday 16			Friday 17
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	mod. snow	mod. snow	light snow	snow shwrs	snow shwrs	some clouds	some clouds	light snow	heavy snow	heavy snow	snow shwrs	snow shwrs	clear	clear	clear	clear	clear	some clouds
km/h	SSW	NW	WNW	NW	WNW	WNW	WNW	W	WSW	W	WSW	W	WNW	N	NNW	N	NNW	SW	WSW
See all weather maps
cm	2	7	7	5	2	1	—	—	1	11	16	3	7	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-8	-9	-8	-7	-7	-5	-6	-6	-6	-10	-14	-16	-13	-11	-9	-6	-5	-5
min °C	-7	-8	-9	-8	-8	-8	-6	-6	-7	-9	-12	-15	-18	-14	-12	-11	-8	-6	-6
chill °C	-16	-11	-19	-19	-19	-16	-16	-16	-20	-23	-26	-30	-33	-28	-23	-22	-16	-8	-14

Freezing level m	2050	1850	1800	1600	1550	1550	1250	1800	1750	1350	1350	1150	0	1050	1300	800	1800	2200	1300
Cloud base (m)	1900	1850	1800	1800	1800	1800	1800	6150	1850	1800	1800	1850	1850	1800	1800	1800	1800	1900	1800

	—	6:28	—	—	6:26	—	—	6:24	—	—	6:24	—	—	6:22	—	—	6:20	—	—
	—	—	7:46	—	—	7:47	—	—	7:49	—	—	7:50	—	—	7:52	—	—	7:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sun morning. Temperatures will be below freezing (max -5°C on Mon night, min -9°C on Sun afternoon). Winds increasing (light winds from the NNE on Sun morning, stormy winds from the WSW by Tue afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -5°C on Fri afternoon, min -18°C on Wed night). Winds decreasing (stormy winds from the W on Tue night, calm by Fri 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. 1 hour ago	2° C	-	Calm (0 kph at 0).
Bend 34 km E 1164.6m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 92).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	3° C	-	Wind obs. (11 kph from 360 degs) was rejected.	16 km Low: few
Black Butte Ranch wx 36 km NW 1429m alt. 38 minutes ago	3° C	Dry	Calm (0 kph at 197).
Bend 37 km SSE 1297m alt. 41 minutes ago	2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 286).
Deschutes River Woods wx 40 km ESE 1185m alt. 56 minutes ago	3° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 55 minutes ago	4° C	Dry	Light winds from the ENE (10 kph at 69).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	2° C	-	Calm (0 kph at 209).
La Pine 43 km SSE 1298m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 25).

* 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.