– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Fri 27 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 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 6°C on Fri afternoon, min -9°C on Sun night). Winds increasing (light winds from the SW on Fri morning, near gales from the WSW by Sun afternoon).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -2°C on Tue afternoon, min -11°C on Wed night). Winds increasing (calm on Mon afternoon, severe gales from the SW by Wed morning).
	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	clear	some clouds	clear	some clouds	cloudy	light snow	light snow	some clouds	clear	clear	some clouds	cloudy	some clouds	mod. snow	heavy snow	heavy snow
km/h	SSW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	NNW	SW	WSW	WSW	WSW	SW	SW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	1	5	—	—	—	—	—	—	6	13	19
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	5	6	4	1	1	-1	-2	-3	-5	-8	-6	-6	-3	-2	-4	-4	-6	-10
min °C	1	6	1	1	0	-3	-3	-4	-9	-10	-7	-6	-4	-2	-5	-4	-8	-11
chill °C	-2	3	-6	-6	-8	-12	-12	-14	-20	-19	-10	-12	-11	-9	-15	-15	-20	-24

Freezing level m	3400	3350	3200	2700	2550	1900	2050	1750	1100	1200	1800	1000	2150	2250	1600	1900	1400	1000
Cloud base (m)	6700			5150	2800	2150	2000	1800	1800	8050	2800	6900	4300	4800	2600	1900	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 6°C on Fri afternoon, min -9°C on Sun night). Winds increasing (light winds from the SW on Fri morning, near gales from the WSW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -2°C on Tue afternoon, min -11°C on Wed night). Winds increasing (calm on Mon afternoon, severe gales from the SW by Wed 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 57 minutes ago	3° C	Dry	Calm (0 kph at 119).
Bend 34 km E 1164.6m alt. 2 hours ago	0° C	-	Calm (2 kph at 188).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-4° C	Clear	Light winds from the S (15 kph at 170).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	3° C	Dry	Calm (3 kph at 110).
Bend 37 km SSE 1297m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 130).
Bend 37 km ESE 1158m alt. 57 minutes ago	6° C	Dry	Calm (0 kph at 182).
Deschutes River Woods wx 40 km ESE 1185m alt. 45 minutes ago	5° C	Dry	Calm (2 kph at 178).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8° C	Dry	Moderate winds from the ESE (26 kph at 105).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	-1° C	-	Calm (0 kph at 238).
La Pine 43 km SSE 1298m alt. 3 hours ago	-9° C	-	Calm (0 kph at 155).

* 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.