– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Wed 04 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Wed 04 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 7°C on Wed night, min -4°C on Fri afternoon). Winds increasing (light winds from the SSW on Wed afternoon, near gales from the SSE by Thu morning).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -2°C on Sat morning, min -13°C on Sun night). Winds decreasing (extremely windy from the WSW on Sun morning, light winds from the WNW by Mon afternoon).
	Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8			Monday 9
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	some clouds	clear	some clouds	cloudy	some clouds	light snow	light snow	heavy snow	mod. snow	snow shwrs	some clouds	cloudy
km/h	SSW	SW	SE	SSE	SSW	SW	SW	SW	W	WSW	WSW	WSW	WSW	WSW	WNW	NW	NW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	1	2	12	8	1	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	5	6	7	5	3	2	-2	-3	-2	-2	-3	-2	-4	-7	-10	-10	-10	-9
min °C	4	6	5	3	3	-1	-3	-4	-4	-2	-3	-3	-4	-9	-13	-12	-10	-10
chill °C	-1	3	-1	-3	-2	-6	-10	-13	-13	-11	-13	-14	-16	-21	-27	-24	-17	-16

Freezing level m	3850	4050	4050	3850	3550	3250	2900	2700	2700	2800	2650	2750	2400	1950	1300	1300	1550	1000
Cloud base (m)	8950		9600			8750		3600		2400	2050	2100	1800	1800	1800	1800	1800	1800

	7:20	—	—	7:18	—	—	7:18	—	—	7:16	—	—	7:15	—	—	7:13	—	—
	—	5:21	—	—	5:22	—	—	5:23	—	—	5:24	—	—	5:27	—	—	5:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 7°C on Wed night, min -4°C on Fri afternoon). Winds increasing (light winds from the SSW on Wed afternoon, near gales from the SSE by Thu morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -2°C on Sat morning, min -13°C on Sun night). Winds decreasing (extremely windy from the WSW on Sun morning, light winds from the WNW 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 43 minutes ago	-2° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	4° C	Dry	Light winds from the S (10 kph at 190).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-3° C	Clear	Light winds from the SSW (7 kph at 200).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	5° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	-5° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 42 minutes ago	2° C	-	Calm (0 kph at 222).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-3° C	-	Calm (0 kph at 349).
Deschutes River Woods wx 40 km ESE 1185m alt. 29 minutes ago	-1° C	-	Calm (2 kph at 174).
Bend 40 km E 1102m alt. 34 minutes ago		-	Wind obs. (13 kph from 31 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.