– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Fri 27 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Fri 27 Mar 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 Sun night. Freeze-thaw conditions (max 2°C on Fri morning, min -11°C on Sun night). Winds increasing (moderate winds from the WSW on Fri morning, stormy winds from the WSW by Sun afternoon).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be well below freezing (max -7°C on Mon night, min -16°C on Wed night). Winds increasing (light winds from the WNW on Mon afternoon, extremely windy from the SW by Tue night).
	Friday 27			Saturday 28			Sunday 29			Monday 30			Tuesday 31			Wednesday 1
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	some clouds	some clouds	clear	clear	some clouds	light snow	snow shwrs	clear	clear	some clouds	some clouds	cloudy	snow shwrs	heavy snow	snow shwrs	heavy snow
km/h	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	NNW	SW	WSW	WSW	SW	WSW	WSW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	1	5	—	—	—	—	—	4	18	7	29
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	2	1	-2	-4	-4	-6	-7	-8	-10	-10	-7	-8	-7	-7	-8	-12	-15
min °C	1	1	-1	-3	-4	-7	-7	-7	-11	-12	-11	-8	-8	-8	-8	-11	-15	-16
chill °C	-4	-5	-10	-12	-14	-20	-20	-20	-24	-24	-15	-17	-17	-19	-20	-25	-32	-32

Freezing level m	3400	3300	3150	2650	2600	1950	2100	1850	850	1350	1950	1150	2200	2150	1550	1600	1150	950
Cloud base (m)	6700	6150	9200	5350	2850	2350	2200	1850	1800		2800		5000	5050	2750	1800	1800	1800

	6:58	—	—	6:56	—	—	6:54	—	—	6:52	—	—	6:50	—	—	6:48	—	—
	—	7:27	—	—	7:28	—	—	7:30	—	—	7:30	—	—	7:31	—	—	7:32	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Sun night. Freeze-thaw conditions (max 2°C on Fri morning, min -11°C on Sun night). Winds increasing (moderate winds from the WSW on Fri morning, stormy winds from the WSW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed morning. Temperatures will be well below freezing (max -7°C on Mon night, min -16°C on Wed night). Winds increasing (light winds from the WNW on Mon afternoon, extremely windy from the SW by Tue 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 55 minutes ago	19° C	Dry	Calm (2 kph at 94).
Bend 34 km E 1164.6m alt. 2 hours ago	21° C	Dry	Calm (3 kph at 238).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	19° C	Clear	Light winds from the N (7 kph at 1).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	13° C	Dry	Calm (2 kph at 127).
Bend 37 km SSE 1297m alt. 1 hour ago	21° C	Dry	Calm (2 kph at 351).
Bend 37 km ESE 1158m alt. 54 minutes ago	22° C	Dry	Calm (0 kph at 221).
Deschutes River Woods wx 40 km ESE 1185m alt. 42 minutes ago	20° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	15° C	Dry	Moderate winds from the SW (24 kph at 236).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	18° C	Dry	Calm (2 kph at 315).
La Pine 43 km SSE 1298m alt. 46 minutes ago	22° C	Dry	Calm (0 kph at 275).

* 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.