– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Fri 26 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Fri 26 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max 0°C on Sun night, min -13°C on Fri afternoon). Winds decreasing (severe gales from the W on Fri night, light winds from the NNW by Sun afternoon).									Days 4–6 Weather Summary Mostly dry. Temperatures will be slightly above freezing (max 3°C on Tue night, min 1°C on Mon morning). Winds increasing (light winds from the NW on Tue night, fresh winds from the WSW by Wed morning).
	Friday 26			Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 31
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	snow shwrs	snow shwrs	clear	some clouds	clear	some clouds	some clouds	clear	some clouds	some clouds	some clouds	clear	some clouds	clear	clear	some clouds
km/h	SW	W	WNW	NW	NNW	NNW	N	NNW	WNW	N	NNW	WNW	NNW	NW	SW	WSW	WSW	SW
See all weather maps
cm	1	3	8	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-12	-12	-11	-8	-7	-5	-2	-1	0	1	1	2	2	1	3	3	3	3
min °C	-12	-13	-13	-10	-7	-8	-3	-1	-2	1	1	1	2	1	2	3	3	1
chill °C	-24	-28	-29	-24	-18	-18	-12	-6	-9	-4	-4	-4	-2	-4	0	-2	-2	-4

Freezing level m	1350	1350	800	750	750	750	1350	1650	1650	3350	3350	3400	3450	3400	3450	3650	3550	3550
Cloud base (m)	1900	1800	1800	1850	1800	2050	1850	1800	1750	2700	1800	6500	6150	5300		7900

	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—
	—	4:34	—	—	4:35	—	—	4:36	—	—	4:36	—	—	4:37	—	—	4:37	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max 0°C on Sun night, min -13°C on Fri afternoon). Winds decreasing (severe gales from the W on Fri night, light winds from the NNW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Temperatures will be slightly above freezing (max 3°C on Tue night, min 1°C on Mon morning). Winds increasing (light winds from the NW on Tue night, fresh winds from the WSW by Wed morning).

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 1022m alt. 1 hour ago	4° C	Dry	Calm (3 kph at 281).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	4° C	Dry	Wind obs. (11 kph from 158 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago		-	Light winds from the S (15 kph at 190).	0.0 km High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 58 minutes ago	-1° C	-	Wind obs. (10 kph from 203 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 52 minutes ago	3° C	Dry	Calm (0 kph at 203).
Bend wx 39 km E 1118m alt. 2 hours ago	4° C	Dry	Light winds from the WSW (10 kph at 239).
Camp Sherman 39 km NNE 920.5m alt. 42 minutes ago	3° C	Dry	Calm (0 kph at 148).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	2° C	-	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.