– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Sun 08 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 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 afternoon. Temperatures will be well below freezing (max -7°C on Sun morning, min -13°C on Sun night). Winds decreasing (gales from the W on Sun afternoon, calm by Mon afternoon).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Wed morning. Temperatures will be well below freezing (max -6°C on Thu afternoon, min -14°C on Fri night). Winds increasing (light winds from the W on Wed afternoon, severe gales from the WSW by Fri afternoon).
	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

	mod. snow	heavy snow	snow shwrs	clear	some clouds	some clouds	cloudy	some clouds	mod. snow	light snow	light snow	clear	some clouds	some clouds	some clouds	cloudy	cloudy	snow shwrs
km/h	WSW	W	W	WNW	WNW	SSE	SSE	ESE	S	W	W	NNW	WNW	NW	W	W	SW	WSW
See all weather maps
cm	9	11	11	—	—	—	—	—	6	5	2	—	—	—	—	—	—	7
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-7	-8	-11	-10	-9	-7	-7	-8	-8	-9	-9	-7	-7	-6	-7	-9	-10	-12
min °C	-7	-10	-13	-11	-10	-8	-8	-8	-9	-9	-9	-8	-8	-6	-8	-9	-10	-14
chill °C	-17	-24	-27	-22	-17	-11	-18	-19	-17	-16	-15	-16	-17	-14	-18	-21	-23	-25

Freezing level m	1850	1650	1250	1250	1600	900	1500	1650	1250	1500	1650	1300	1450	1500	800	1600	1600	1150
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	1800	1800	1800	1800	1800	2350	1900	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 afternoon. Temperatures will be well below freezing (max -7°C on Sun morning, min -13°C on Sun night). Winds decreasing (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 Wed morning. Temperatures will be well below freezing (max -6°C on Thu afternoon, min -14°C on Fri night). Winds increasing (light winds from the W on Wed afternoon, severe gales from the WSW by Fri 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. 1 hour ago	6° C	Dry	Calm (3 kph at 273).
Sunriver 34 km SE 1242m alt. 27 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	6° C	Dry	Wind obs. (6 kph from 174 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	3° C	Light rain .	Light winds from the SSW (15 kph at 200).	5 km Low: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 40 minutes ago	11° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	3° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	6° C	Dry	Calm (2 kph at 213).
Bend wx 39 km E 1118m alt. 2 hours ago	6° C	Dry	Light winds from the SSW (11 kph at 213).
Camp Sherman 39 km NNE 920.5m alt. 26 minutes ago	4° C	Dry	Calm (0 kph at 57).
Bend 40 km E 1102m alt. 35 minutes ago		-	Wind obs. (11 kph from 91 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.