– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Tue 10 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 10 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A light covering of new snow mostly falling on Wed morning. Freeze-thaw conditions (max 6°C on Tue morning, min -4°C on Wed morning). Winds decreasing (strong winds from the W on Tue night, light winds from the N by Thu afternoon).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Fri morning, min -3°C on Sun afternoon). Winds increasing (calm on Fri afternoon, near gales from the WSW by Sat night).
	Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	mod. snow	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	clear
km/h	WSW	WSW	WSW	W	WNW	NW	N	NNW	NNW	NNW	SSW	W	WSW	WSW	WSW	SW	SSE	N
Wave Height Map See all maps
cm	—	—	—	9	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	6	4	4	-3	-3	-1	1	2	5	6	5	6	4	3	3	-1	-2	1
min°C	5	3	-2	-4	-4	-3	0	2	3	6	4	5	4	3	-1	-1	-3	-2
chill°C	0	-3	-10	-13	-12	-12	-7	-1	-2	2	4	0	-2	-4	-8	-6	-3	-6

Freezing level (m)	3850	3650	3200	2550	2750	2850	3300	3550	3900	4050	4100	4150	3800	3700	3400	2950	2850	3200
Cloud base (m)		7200	5150	1850	1900	1800	2000	2350			9800	9600	6100	5300	1800	6150	2800

	6:41	—	—	6:41	—	—	6:43	—	—	6:43	—	—	6:45	—	—	6:46	—	—
	—	7:24	—	—	7:22	—	—	7:21	—	—	7:19	—	—	7:17	—	—	7:15	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Wed morning. Freeze-thaw conditions (max 6°C on Tue morning, min -4°C on Wed morning). Winds decreasing (strong winds from the W on Tue night, light winds from the N by Thu afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 6°C on Fri morning, min -3°C on Sun afternoon). Winds increasing (calm on Fri afternoon, near gales from the WSW by Sat 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
Sunriver wx 23 km SE 1684m alt. 1 hour ago	19° C	-	Calm (0 kph at 152).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	26° C	Dry	Calm (2 kph at 309).
Sisters 32 km NE 964m alt. 1 hour ago	26° C	Dry	Wind obs. (8 kph from 0 degs) was rejected.
Bend 34 km E 1147m alt. 3 hours ago	23° C	Dry	Calm (2 kph at 109).
Sunriver 34 km SE 1242m alt. 2 hours ago	25° C	Dry	Calm (0 kph at 182).
Bend 34 km E 1164.6m alt. 52 minutes ago	23° C	Dry	Calm (0 kph at 121).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago		Haze -.	Light winds from the WSW.(Wind varies from 210 to 290 degs) (15 kph at 240).	6 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	21° C	Dry	Calm (3 kph at 231).
Bend 37 km SSE 1297m alt. 3 hours ago	26° C	Dry	Wind obs. (10 kph from 47 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	23° C	Dry	Calm (0 kph at 326).

* 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.