– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Mon 01 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Mon 01 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 1°C on Mon night, min -5°C on Tue night). Winds decreasing (near gales from the WNW on Mon night, light winds from the N by Tue night).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 2°C on Fri morning, min -3°C on Fri night). Winds decreasing (gales from the WNW on Fri morning, strong winds from the W by Sat night).
		Tuesday 2			Wednesday 3			Thursday 4			Friday 5			Saturday 6			Sunday 7
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	some clouds	cloudy	some clouds	some clouds	some clouds	light snow	cloudy	mod. snow	light snow	snow shwrs	light snow	light snow	light snow	mod. snow	mod. snow	snow shwrs
km/h	WNW	NW	N	NNE	NW	NW	NNW	NW	NW	NW	W	WNW	WNW	WSW	W	W	WSW	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	1	—	8	4	1	4	3	5	6	8	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	1	-3	-4	-2	-1	-2	0	1	1	1	2	1	0	-2	-1	-1	0	-1	-1
min°C	-3	-4	-4	-5	-1	-2	-1	1	0	0	2	0	-3	-2	-2	-1	-1	-1	-2
chill°C	-13	-13	-11	-12	-6	-8	-7	-5	-8	-8	-6	-9	-12	-11	-12	-10	-10	-11	-10

Freezing level (m)	2400	1750	1450	1250	2300	2050	1500	2800	2850	2600	2850	2750	2400	1900	1950	2300	2350	2350	2100
Cloud base (m)	2450	1950	1800	1800	6050	3150	1900	1800	1850	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800

	—	7:22	—	—	7:24	—	—	7:24	—	—	7:26	—	—	7:26	—	—	7:28	—	—
	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:28	—	—	4:28	—	—	4:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 1°C on Mon night, min -5°C on Tue night). Winds decreasing (near gales from the WNW on Mon night, light winds from the N by Tue night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 2°C on Fri morning, min -3°C on Fri night). Winds decreasing (gales from the WNW on Fri morning, strong winds from the W by Sat night).

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. 2 hours ago	6° C	Dry	Calm (3 kph at 302).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	7° C	Dry	Light winds from the WNW (11 kph at 286).
Sunriver 34 km SE 1242m alt. 57 minutes ago		Dry
Bend 34 km E 1164.6m alt. 33 minutes ago	3° C	Dry	Calm (2 kph at 163).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	1° C	Dry and partly cloudy.	Moderate winds from the SSW (20 kph at 200).	16 km Low: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 56 minutes ago	1° C	-	Calm (5 kph at 284).
Bend 37 km SSE 1297m alt. 38 minutes ago	-3° C	-	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 231).
Bend wx 39 km E 1118m alt. 2 hours ago	3° C	Dry	Wind obs. (6 kph from 266 degs) was rejected.
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	6° C	Dry	Wind obs. (6 kph from 194 degs) was rejected.

* 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.