– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Fri 23 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Fri 23 Oct Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat morning, min -9°C on Mon morning). Winds increasing (light winds from the NE on Fri night, near gales from the S by Sun night).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Tue morning. Temperatures will be well below freezing (max -6°C on Wed morning, min -12°C on Wed night). Winds increasing (moderate winds from the WNW on Mon night, near gales from the WSW by Thu afternoon).
		Saturday 24			Sunday 25			Monday 26			Tuesday 27			Wednesday 28
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	cloudy	cloudy	cloudy	some clouds	cloudy	light snow	light snow	mod. snow	snow shwrs	snow shwrs	clear	clear	snow shwrs
Cloud base (m)		7150	6900	6750	6650	6200		2500	1900	1800	1800	1800	1800	1800	1900	1800
km/h	W	W	W	SW	SW	SSW	S	SSW	W	W	W	WNW	W	W	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	3	2	6	2	1	—	—	3
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	2	1	1	-2	-3	-3	-9	-8	-8	-8	-9	-7	-6	-8	-9
min °C	0	1	0	0	-2	-3	-7	-9	-8	-9	-9	-9	-9	-7	-9	-12
chill °C	-5	-3	-6	-8	-10	-11	-14	-19	-14	-19	-19	-18	-19	-16	-20	-25

Freezing level m	3300	3400	3250	3250	2900	2800	2300	2100	1900	1750	1750	1700	1600	1850	1850	1500

	—	7:31	—	—	7:33	—	—	7:35	—	—	7:35	—	—	7:37	—	—
	—	—	6:08	—	—	6:07	—	—	6:06	—	—	6:04	—	—	6:02	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat morning, min -9°C on Mon morning). Winds increasing (light winds from the NE on Fri night, near gales from the S by Sun night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Tue morning. Temperatures will be well below freezing (max -6°C on Wed morning, min -12°C on Wed night). Winds increasing (moderate winds from the WNW on Mon night, near gales from the WSW by Thu 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. 50 minutes ago	-3°C	-	Calm (0 kph at 257).
Bend 34 km E 1147m alt. 34 minutes ago	-1°C	-	Calm (2 kph at 325).
Bend 34 km E 1164.6m alt. 52 minutes ago	3°C	Dry	Calm (3 kph at 140).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-4°C	Clear	Wind obs. (6 kph from 340 degs) was rejected.	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-2°C	-	Calm (3 kph at 174).
Bend 37 km SSE 1297m alt. 1 hour ago	-4°C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 48 minutes ago	0°C	-	Calm (0 kph at 142).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-4°C	-	Calm (0 kph at 185).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	2°C	-	Light winds from the E (16 kph at 98).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	-5°C	-	Calm (0 kph at 0).

* 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.