– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Mon 13 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Mon 13 Apr 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 Wed morning. Temperatures will be below freezing (max -3°C on Mon night, min -17°C on Wed night). Winds increasing (fresh winds from the NW on Mon night, stormy winds from the W by Tue night).										Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -3°C on Sat afternoon, min -11°C on Thu night). Winds increasing (light winds from the NW on Fri afternoon, gales from the SSW by Sun afternoon).
		Tuesday 14			Wednesday 15			Thursday 16			Friday 17			Saturday 18			Sunday 19
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	heavy snow	heavy snow	snow shwrs	heavy snow	clear	snow shwrs	snow shwrs	clear	clear	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	mod. snow
km/h	WNW	W	WSW	W	W	W	WNW	NNW	NNW	NNW	NNW	WSW	WSW	SW	S	SSW	SSW	S	S
See all weather maps
cm	—	—	—	12	16	4	11	—	2	2	—	—	—	—	—	—	—	—	8
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-4	-6	-7	-10	-15	-17	-16	-13	-9	-8	-6	-5	-4	-3	-3	-3	-4	-5
min °C	-5	-5	-7	-8	-13	-16	-17	-16	-14	-11	-9	-7	-6	-5	-4	-3	-4	-5	-9
chill °C	-14	-16	-20	-22	-28	-32	-33	-31	-26	-22	-18	-10	-12	-12	-11	-10	-15	-16	-20

Freezing level m	1200	2150	1800	1400	1300	1100	500	1050	1350	1000	1600	2050	1250	2450	2700	2600	2500	2500	1650
Cloud base (m)	1800	1800	2000	1800	1800	1800	1800	1800	1800	1800	1800	1900	5100	1800	3350	3300	2750	2200	1800

	—	6:24	—	—	6:24	—	—	6:22	—	—	6:20	—	—	6:18	—	—	6:16	—	—
	—	—	7:49	—	—	7:50	—	—	7:52	—	—	7:52	—	—	7:53	—	—	7:54	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -3°C on Mon night, min -17°C on Wed night). Winds increasing (fresh winds from the NW on Mon night, stormy winds from the W by Tue night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max -3°C on Sat afternoon, min -11°C on Thu night). Winds increasing (light winds from the NW on Fri afternoon, gales from the SSW 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	1° C	-	Calm (0 kph at 329).
Bend 34 km E 1164.6m alt. 1 hour ago	1° C	-	Calm (2 kph at 218).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	1° C	Clear	Light winds from the S (19 kph at 190).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 35 minutes ago	-2° C	-	Light winds from the W (6 kph at 277).
Bend 37 km SSE 1297m alt. 43 minutes ago	0° C	-	Calm (0 kph at 271).
Bend 37 km ESE 1158m alt. 1 hour ago	1° C	-	Calm (0 kph at 227).
Bend wx 39 km E 1118m alt. 3 hours ago	0° C	-	Calm (0 kph at 68).
Deschutes River Woods wx 40 km ESE 1185m alt. 58 minutes ago	1° C	-	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	-1° C	-	Light winds from the S (10 kph at 171).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 191).

* 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.