– Lat/Long: 44.10° N 121.77° W

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

Issued: 3 pm Sun 08 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be well below freezing (max -7°C on Mon night, min -13°C on Sun night). Winds decreasing (gales from the W on Sun night, light winds from the S by Mon night).											Days 5–7 Weather Summary A light covering of new snow mostly falling on Fri night. Temperatures will be well below freezing (max -6°C on Thu morning, min -15°C on Sat morning). Winds decreasing (gales from the WSW on Fri afternoon, calm by Sat morning).
	Sun 8		Monday 9			Tuesday 10			Wednesday 11			Thursday 12			Friday 13
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. snow	snow shwrs	clear	some clouds	cloudy	some clouds	cloudy	light snow	light snow	snow shwrs	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	snow shwrs
km/h	W	W	WNW	WNW	S	SSE	SE	S	WSW	WNW	NNW	NW	NW	W	W	WSW	WSW
See all weather maps
cm	10	9	—	—	—	—	—	5	2	1	—	—	—	—	—	—	5
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-9	-12	-11	-9	-7	-7	-8	-8	-9	-9	-8	-6	-6	-6	-9	-10	-12
min °C	-11	-13	-11	-10	-8	-8	-9	-9	-10	-9	-9	-8	-7	-9	-9	-10	-14
chill °C	-25	-28	-23	-18	-11	-18	-19	-14	-16	-15	-16	-17	-15	-20	-20	-23	-27

Freezing level m	1650	1250	1250	1650	950	1550	1800	1300	1600	1700	1400	1500	1650	750	1600	1550	1100
Cloud base (m)	1800	1800	1800	1800	1800	1800	1850	2000	1850	1800	1850	1800	1850	1800	1800	2250	1800

	—	—	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 Mon night, min -13°C on Sun night). Winds decreasing (gales from the W on Sun night, light winds from the S by Mon night).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Fri night. Temperatures will be well below freezing (max -6°C on Thu morning, min -15°C on Sat morning). Winds decreasing (gales from the WSW on Fri afternoon, calm by Sat morning).

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	2° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 52 minutes ago	3° C	Dry	Wind obs. (8 kph from 217 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	1° C	Dry and cloudy.	Light winds from the S (15 kph at 190).	14 km Low: scattered Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 47 minutes ago	0° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 223).
Bend wx 39 km E 1118m alt. 52 minutes ago	3° C	Dry	Wind obs. (8 kph from 210 degs) was rejected.
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	2° C	-	Calm (0 kph at 60).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	2° C	-	Calm (3 kph at 200).

* 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.