– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Wed 24 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Wed 24 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -6°C on Wed morning, min -13°C on Thu night). Winds decreasing (stormy winds from the SSW on Thu morning, strong winds from the W by Fri morning).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Mon afternoon, min -9°C on Sat morning). Winds decreasing (strong winds from the NNW on Sat morning, calm by Mon afternoon).
	Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28			Monday 29
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	some clouds	light snow	snow shwrs	light snow	snow shwrs	some clouds	light snow	snow shwrs	clear	clear	some clouds	some clouds	clear	clear	clear	clear	clear
km/h	SSW	SSW	S	SSW	SSW	S	WSW	W	W	NNW	N	NNW	NNW	NW	NNE	NNW	NNW	WSW
See all weather maps
cm	5	—	1	1	2	4	—	3	5	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-8	-8	-9	-11	-9	-11	-11	-10	-8	-6	-4	-4	-3	2	4	5	5
min °C	-8	-8	-8	-10	-12	-13	-12	-12	-13	-9	-7	-4	-5	-4	0	3	4	5
chill °C	-20	-19	-19	-23	-26	-28	-24	-25	-27	-20	-17	-12	-14	-12	-5	0	2	3

Freezing level m	2200	1800	1600	1900	1650	1250	1350	1500	1050	750	800	650	1800	1900	1150	3650	3800	3900
Cloud base (m)	1850	1850	1950	1850	1800	1850	1850	1800	1800	1850	1850	1800	2700	1850	1800

	7:39	—	—	7:39	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—
	—	4:32	—	—	4:32	—	—	4:34	—	—	4:35	—	—	4:36	—	—	4:36	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -6°C on Wed morning, min -13°C on Thu night). Winds decreasing (stormy winds from the SSW on Thu morning, strong winds from the W by Fri morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Mon afternoon, min -9°C on Sat morning). Winds decreasing (strong winds from the NNW on Sat morning, calm by Mon afternoon).

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 969m alt. 3 hours ago	-1° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 47 minutes ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	1° C	-	Calm (0 kph at 238).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	6° C	Light rain .	Light winds from the WSW (19 kph at 240).	10 km Low: few Mid: broken High: broken
Black Butte Ranch wx 36 km NW 1429m alt. 29 minutes ago	1° C	-	Calm (5 kph at 283).
Bend 37 km SSE 1297m alt. 38 minutes ago	4° C	Dry	Calm (2 kph at 209).
Bend 37 km ESE 1158m alt. 1 hour ago	5° C	Dry	Calm (2 kph at 152).
Camp Sherman 39 km NNE 920.5m alt. 3 hours ago		Dry
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	6° C	Dry	Calm (0 kph at —).
Bend 40 km E 1102m alt. 1 hour ago	12° C	Dry	Calm (5 kph at 93).

* 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.