– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Wed 13 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Wed 13 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Sat morning. Temperatures will be below freezing (max 0°C on Wed night, min -11°C on Fri night). Winds decreasing (severe gales from the WNW on Wed night, moderate winds from the W by Thu morning).											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Tue morning, min -11°C on Sat afternoon). Winds decreasing (near gales from the WNW on Sat night, light winds from the NNW by Sun afternoon).
	Wed 13		Thursday 14			Friday 15			Saturday 16			Sunday 17			Monday 18
	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	snow shwrs	snow shwrs	snow shwrs	snow shwrs	some clouds	clear	some clouds	cloudy	some clouds	clear
km/h	W	WNW	W	W	W	WNW	W	W	WNW	WNW	NW	NNW	WNW	WNW	NW	NW	NW
See all weather maps
cm	—	—	—	—	—	—	—	1	4	2	1	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	0	-1	-3	-2	-4	-6	-6	-11	-10	-7	-7	-5	-3	-4	-3	0
min °C	-4	-2	-2	-4	-4	-5	-7	-11	-11	-11	-9	-7	-6	-6	-5	-4	-1
chill °C	-15	-13	-9	-14	-15	-14	-17	-24	-24	-23	-21	-16	-10	-16	-13	-11	-8

Freezing level m	2550	2200	2850	2600	2300	2450	2400	1400	1600	1700	1150	2050	2450	1800	2250	2550	3100
Cloud base (m)	1850	1800	5900	2900	1850	9200	2800	1800	1800	1800	1800	1800	2050	1850	1800	1800	1800

	—	—	5:41	—	—	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—
	—	8:23	—	—	8:24	—	—	8:25	—	—	8:27	—	—	8:28	—	—	8:29

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Sat morning. Temperatures will be below freezing (max 0°C on Wed night, min -11°C on Fri night). Winds decreasing (severe gales from the WNW on Wed night, moderate winds from the W by Thu morning).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 2°C on Tue morning, min -11°C on Sat afternoon). Winds decreasing (near gales from the WNW on Sat night, light winds from the NNW by Sun 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	10° C	Dry	Calm (2 kph at 139).
Bend 34 km E 1147m alt. 1 hour ago	11° C	Dry	Calm (5 kph at 308).
Bend 34 km E 1164.6m alt. 49 minutes ago	12° C	Dry	Light winds from the WSW (10 kph at 244).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	8° C	Dry and cloudy.	Moderate winds from the WSW (22 kph at 250).	14 km Low: broken Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4° C	Dry	Light winds from the W (11 kph at 274).
Bend 37 km SSE 1297m alt. 53 minutes ago	8° C	Dry	Calm (5 kph at 275).
Bend 37 km ESE 1158m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 130).
Camp Sherman 39 km NNE 920.5m alt. 43 minutes ago	9° C	Dry	Calm (5 kph at 172).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	11° C	Dry	Light winds from the W (6 kph at 262).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8° C	Dry	Light winds from the W (14 kph at 259).

* 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.