– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Fri 15 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 15 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Sat night. Temperatures will be below freezing (max 0°C on Mon morning, min -9°C on Sat night). Winds decreasing (near gales from the W on Fri night, light winds from the NNW by Sun night).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 8°C on Thu morning, min -2°C on Mon night). Wind will be generally light.
	Fri 15		Saturday 16			Sunday 17			Monday 18			Tuesday 19			Wednesday 20
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	light snow	light snow	light snow	snow shwrs	clear	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	clear	clear	clear
km/h	W	W	WNW	WNW	NW	NE	NNE	NE	NNW	WNW	NW	NNW	WNW	NW	NNW	NW	NW
See all weather maps
cm	—	5	3	2	7	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-4	-8	-7	-7	-5	-2	-2	0	1	0	1	4	3	6	7	6
min °C	-2	-8	-8	-7	-9	-7	-3	-3	-1	1	-2	-1	3	2	3	7	4
chill °C	-11	-19	-19	-17	-19	-16	-10	-9	-4	-3	-8	-6	1	-3	-2	4	0

Freezing level m	2250	1550	1550	1650	1000	1850	2250	1600	2450	2600	2100	2650	3100	3350	3300	3500	3700
Cloud base (m)	2500	1800	1800	1800	1800	1850	2150		1900	2600	1850	1900	2700	1750	9250

	—	—	5:39	—	—	5:37	—	—	5:37	—	—	5:35	—	—	5:35	—	—
	—	8:25	—	—	8:27	—	—	8:28	—	—	8:29	—	—	8:30	—	—	8:30

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Sat night. Temperatures will be below freezing (max 0°C on Mon morning, min -9°C on Sat night). Winds decreasing (near gales from the W on Fri night, light winds from the NNW by Sun night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 8°C on Thu morning, min -2°C on Mon night). Wind will be generally light.

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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. 36 minutes ago	8° C	Dry	Calm (2 kph at 267).
Bend 34 km E 1147m alt. 21 minutes ago	10° C	Dry	Wind obs. (6 kph from 343 degs) was rejected.
Bend 34 km E 1164.6m alt. 20 minutes ago	11° C	Dry	Light winds from the W (14 kph at 265).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	10° C	Clear	Moderate winds from the WSW (26 kph at 240).	14 km
Bend 37 km SSE 1297m alt. 1 hour ago	8° C	Dry	Light winds from the WNW (6 kph at 303).
Bend 37 km ESE 1158m alt. 36 minutes ago	11° C	Dry	Calm (2 kph at 246).
Camp Sherman 39 km NNE 920.5m alt. 23 minutes ago	9° C	Dry	Wind obs. (6 kph from 2 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 21 minutes ago	10° C	Dry	Light winds from the W (8 kph at 273).
Rainbow wx 41 km WSW 410m alt. 30 minutes ago	4° C	Dry	Light winds from the W (19 kph at 278).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	11° C	Dry	Calm (2 kph at 218).

* 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.