– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Sun 08 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sun 08 Feb 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 Sun night. Temperatures will be below freezing (max -5°C on Sun morning, min -13°C on Sun night). Winds decreasing (severe gales from the W on Sun afternoon, calm by Mon afternoon).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Fri afternoon. Temperatures will be well below freezing (max -6°C on Thu afternoon, min -13°C on Fri afternoon). Winds increasing (moderate winds from the W on Wed afternoon, near gales from the WSW by Fri night).
	Sunday 8			Monday 9			Tuesday 10			Wednesday 11			Thursday 12			Friday 13
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy snow	heavy snow	snow shwrs	clear	some clouds	cloudy	cloudy	cloudy	light snow	light snow	snow shwrs	clear	cloudy	clear	some clouds	snow shwrs	light snow	light snow
km/h	WSW	W	W	WNW	WNW	S	SSE	SE	S	WSW	WSW	NW	WNW	NW	W	W	WSW	WSW
See all weather maps
cm	12	13	12	—	—	—	—	—	5	2	1	—	—	—	—	1	3	3
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-8	-11	-11	-10	-7	-7	-7	-7	-9	-9	-8	-7	-6	-7	-10	-13	-10
min °C	-6	-10	-13	-11	-11	-8	-8	-9	-9	-9	-9	-8	-8	-6	-10	-12	-13	-13
chill °C	-17	-22	-27	-22	-18	-11	-19	-19	-18	-17	-18	-17	-17	-15	-22	-25	-26	-26

Freezing level m	1950	1600	1050	1250	1600	950	1450	1750	1300	1700	1850	1150	1550	1650	900	1450	1300	850
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1900	1800	1850	1850	1850	1800	1800	1800	1800	1800	1800

	7:15	—	—	7:13	—	—	7:13	—	—	7:11	—	—	7:09	—	—	7:09	—	—
	—	5:27	—	—	5:28	—	—	5:29	—	—	5:30	—	—	5:31	—	—	5:34	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -5°C on Sun morning, min -13°C on Sun night). Winds decreasing (severe gales from the W on Sun afternoon, calm by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Fri afternoon. Temperatures will be well below freezing (max -6°C on Thu afternoon, min -13°C on Fri afternoon). Winds increasing (moderate winds from the W on Wed afternoon, near gales from the WSW by Fri 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. 1 hour ago	4° C	Dry	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 26 minutes ago	4° C	Dry	Light winds from the SSW (10 kph at 195).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago		-	Light winds from the S (11 kph at 190).	0.0 km High: few
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 31 minutes ago	2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 145).
Bend wx 39 km E 1118m alt. 1 hour ago	4° C	Dry	Light winds from the SSW (6 kph at 206).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	4° C	Dry	Calm (3 kph at 204).

* 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.