– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Sat 13 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sat 13 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Drizzle at first, then turning colder with dusting of snow on Mon afternoon. Freeze-thaw conditions (max 7°C on Sat afternoon, min -2°C on Mon night). Winds increasing (fresh winds from the SW on Sat afternoon, severe gales from the WSW by Mon morning).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Thu morning, min -11°C on Tue night). Winds increasing (strong winds from the SW on Tue afternoon, extremely windy from the W by Thu morning).
	Sat 13		Sunday 14			Monday 15			Tuesday 16			Wednesday 17			Thursday 18
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	cloudy	some clouds	rain shwrs	light rain	light snow	light snow	cloudy	cloudy	heavy snow	mod. snow	light snow	snow shwrs	mod. snow	heavy snow	heavy snow
km/h	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	WSW	W	W	WSW	WSW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	1	2	—	—	33	9	3	3	10	15	65
mm	—	—	—	—	0.7	1.2	—	—	—	—	—	—	—	—	—	—	—
max°C	7	6	5	4	3	3	2	-2	0	0	0	-10	-8	-4	1	0	-1
min°C	7	4	4	3	2	3	0	-2	-1	-1	-11	-11	-9	-7	-1	0	-5
chill°C	3	-2	-2	-4	-6	-5	-9	-12	-10	-10	-25	-24	-21	-18	-12	-11	-17

Freezing level (m)	3700	3550	3350	3150	3050	3150	2750	2050	2350	2500	2300	1000	1100	800	2100	2600	2050
Cloud base (m)			6550	3700	2900	2150	1850	1800	1950	1800	1800	1850	1800	1800	1850	1800	1800

	—	—	7:33	—	—	7:35	—	—	7:35	—	—	7:35	—	—	7:37	—	—
	4:28	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:30	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Drizzle at first, then turning colder with dusting of snow on Mon afternoon. Freeze-thaw conditions (max 7°C on Sat afternoon, min -2°C on Mon night). Winds increasing (fresh winds from the SW on Sat afternoon, severe gales from the WSW by Mon morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Thu morning, min -11°C on Tue night). Winds increasing (strong winds from the SW on Tue afternoon, extremely windy from the W by Thu morning).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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. 59 minutes ago	2° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 231).
Sunriver 34 km SE 1242m alt. 53 minutes ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	13° C	Dry	Light winds from the SSE (10 kph at 165).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	1° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 52 minutes ago	6° C	Dry	Calm (0 kph at 287).
Bend 37 km SSE 1297m alt. 3 hours ago	3° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 140).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	2° C	-	Calm (0 kph at 199).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	8° C	Dry	Calm (0 kph at —).

* 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.