– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Thu 09 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Thu 09 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 Sat night. Freeze-thaw conditions (max 3°C on Fri afternoon, min -3°C on Sat morning). Winds increasing (calm on Fri night, fresh winds from the NW by Sun afternoon).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max -3°C on Sun night, min -9°C on Wed afternoon). Winds increasing (light winds from the WNW on Mon afternoon, severe gales from the W by Tue night).
		Friday 10			Saturday 11			Sunday 12			Monday 13			Tuesday 14			Wednesday 15
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	cloudy	light snow	light snow	light snow	light snow	mod. snow	light snow	light snow	cloudy	light snow	some clouds	some clouds	some clouds	cloudy	mod. snow	mod. snow	snow shwrs	snow shwrs
km/h	S	S	SSE	SSW	SW	SSE	SSE	WNW	NW	WNW	WNW	WNW	W	WSW	WSW	W	W	W	NW
See all weather maps
cm	3	—	1	5	1	3	6	1	1	—	1	—	—	—	—	8	8	2	3
mm	—	—	0.3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	2	3	1	-3	-2	-2	-3	-3	-3	-4	-4	-3	-4	-4	-4	-6	-8	-11
min °C	1	2	2	-2	-3	-2	-3	-3	-3	-4	-4	-4	-4	-5	-5	-5	-8	-9	-13
chill °C	-4	-3	0	-7	-8	-6	-8	-6	-9	-11	-12	-11	-11	-14	-16	-16	-20	-20	-23

Freezing level m	2800	2750	2700	2350	2100	2300	2050	2100	1900	1550	1500	1700	1050	1850	1850	1400	1350	1300	500
Cloud base (m)	5700		2500	1800	1800	1850	1800	1950	1850	1800	1800	1800	1800	1850	1900	1800	1800	1800	1800

	—	6:31	—	—	6:31	—	—	6:28	—	—	6:26	—	—	6:24	—	—	6:24	—	—
	—	—	7:44	—	—	7:45	—	—	7:46	—	—	7:47	—	—	7:49	—	—	7:50	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 3°C on Fri afternoon, min -3°C on Sat morning). Winds increasing (calm on Fri night, fresh winds from the NW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max -3°C on Sun night, min -9°C on Wed afternoon). Winds increasing (light winds from the WNW on Mon afternoon, severe gales from the W by Tue night).

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. 38 minutes ago	5° C	Dry	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 3 hours ago		Dry
Bend 34 km E 1164.6m alt. 48 minutes ago	10° C	Dry	Calm (0 kph at 69).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago		-	Light winds from the NNE (6 kph at 30).	0.0 km High: few
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	7° C	Dry	Calm (0 kph at 197).
Bend 37 km SSE 1297m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 0).
Deschutes River Woods wx 40 km ESE 1185m alt. 25 minutes ago	6° C	Dry	Calm (0 kph at —).
Cloverdale wx 42 km NE 947m alt. 55 minutes ago	8° C	Dry	Calm (0 kph at 223).
La Pine 43 km SSE 1298m alt. 40 minutes ago	6° C	Dry	Calm (0 kph at 58).
Redmond 45 km ENE 933m alt. 27 minutes ago	10° C	Dry	Calm (0 kph at 310).

* 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.