– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Wed 08 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Wed 08 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Fri afternoon. Temperatures will be below freezing (max -1°C on Wed morning, min -6°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the SSE by Thu night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Sat afternoon. Temperatures will be well below freezing (max -7°C on Sat morning, min -10°C on Sat night). Winds increasing (calm on Sun afternoon, near gales from the WNW by Mon morning).
	Wednesday 8			Thursday 9			Friday 10			Saturday 11			Sunday 12			Monday 13
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	cloudy	light snow	some clouds	some clouds	snow shwrs	mod. snow	snow shwrs	light snow	snow shwrs	some clouds	some clouds	snow shwrs	snow shwrs	light snow	snow shwrs
km/h	W	WSW	W	SSE	SE	SSE	SSW	SSW	SSE	S	S	S	WSW	WNW	NW	WNW	WNW	NW
See all weather maps
cm	—	—	—	—	2	—	—	4	7	1	4	1	—	—	1	2	2	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-2	-1	-3	-2	-2	-3	-4	-4	-7	-7	-8	-10	-8	-7	-9	-8	-7
min °C	-1	-3	-3	-3	-3	-3	-4	-4	-6	-7	-8	-10	-10	-10	-10	-9	-9	-8
chill °C	-7	-8	-3	-7	-8	-10	-11	-9	-14	-16	-15	-17	-16	-10	-22	-21	-20	-18

Freezing level m	2950	2850	2800	2750	2900	2700	2650	2600	2350	2200	1700	1200	1600	1800	1450	1550	1450	1000
Cloud base (m)	4950	2900	6950	2400	2250	2900	2150	2250	1800	1900	2000	1900	1850	1900	1800	1800	1800	1800

	6:35	—	—	6:33	—	—	6:31	—	—	6:31	—	—	6:28	—	—	6:26	—	—
	—	7:42	—	—	7:43	—	—	7:44	—	—	7:45	—	—	7:46	—	—	7:47	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri afternoon. Temperatures will be below freezing (max -1°C on Wed morning, min -6°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the SSE by Thu night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sat afternoon. Temperatures will be well below freezing (max -7°C on Sat morning, min -10°C on Sat night). Winds increasing (calm on Sun afternoon, near gales from the WNW by Mon 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. 2 hours ago	1° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	6° C	Dry	Wind obs. (8 kph from 170 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-1° C	Clear	Light winds from the SSW (11 kph at 200).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	3° C	Dry	Calm (0 kph at 346).
Bend 37 km SSE 1297m alt. 1 hour ago	-2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	6° C	Dry	Calm (2 kph at 169).
Bend wx 39 km E 1118m alt. 2 hours ago	3° C	Dry	Calm (5 kph at 266).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	1° C	-	Calm (0 kph at 223).
La Pine 43 km SSE 1298m alt. 1 hour ago	-2° C	-	Calm (0 kph at 272).

* 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.