– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Sat 06 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sat 06 Dec 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 Tue afternoon. Temperatures will be below freezing (max -1°C on Mon night, min -6°C on Sat night). Winds increasing (near gales from the W on Sat night, extremely windy from the W by Tue morning).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 5°C on Fri afternoon, min -2°C on Wed night). Winds decreasing (extremely windy from the W on Wed morning, fresh winds from the WNW by Thu night).
		Sunday 7			Monday 8			Tuesday 9			Wednesday 10			Thursday 11			Friday 12
	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	snow shwrs	light snow	light snow	mod. snow	mod. snow	heavy snow	heavy snow	mod. snow	light snow	snow shwrs	some clouds	clear	some clouds	some clouds	clear	clear
km/h	WSW	W	W	W	W	W	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW
See all weather maps
cm	2	3	4	2	2	3	8	10	13	16	6	1	1	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-5	-4	-5	-3	-3	-2	-1	-1	-2	0	0	1	0	-1	1	3	4	5	5
min°C	-6	-5	-6	-6	-3	-2	-1	-1	-2	-1	0	1	-2	-2	0	2	4	4	5
chill°C	-19	-17	-18	-18	-15	-14	-12	-13	-14	-12	-12	-10	-13	-12	-9	-5	-2	-2	0

Freezing level (m)	1800	2350	2300	2050	2550	2750	3050	3000	2850	2950	3150	3300	2950	2900	3100	3450	3700	3800	3900
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800		7350	8150

	—	7:28	—	—	7:28	—	—	7:30	—	—	7:31	—	—	7:31	—	—	7:31	—	—
	—	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Tue afternoon. Temperatures will be below freezing (max -1°C on Mon night, min -6°C on Sat night). Winds increasing (near gales from the W on Sat night, extremely windy from the W by Tue morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 5°C on Fri afternoon, min -2°C on Wed night). Winds decreasing (extremely windy from the W on Wed morning, fresh winds from the WNW by Thu 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 2 hours ago	2° C	-	Calm (0 kph at 222).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 89).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	5° C	Dry	Light winds from the SSE (6 kph at 168).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	2° C	Dry and cloudy.	Light winds from the SW (15 kph at 230).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 36 minutes ago	1° C	-	Calm (2 kph at 307).
Bend 37 km SSE 1297m alt. 3 hours ago	-2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 144).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 227).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	3° C	Dry	Calm (2 kph at 223).

* 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.