– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Mon 02 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Mon 02 Mar 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 Tue night. Temperatures will be below freezing (max -2°C on Mon night, min -13°C on Wed morning). Winds increasing (light winds from the SSE on Mon night, extremely windy from the NNW by Thu afternoon).										Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 3°C on Sat night, min -8°C on Thu night). Winds decreasing (stormy winds from the NNW on Thu night, fresh winds from the N by Fri afternoon).
		Tuesday 3			Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	cloudy	mod. snow	mod. snow	snow shwrs	mod. snow	clear	snow shwrs	snow shwrs	some clouds	some clouds	cloudy	some clouds	some clouds	some clouds	clear	clear	some clouds
km/h	SSW	SW	SW	WSW	W	WNW	WNW	NW	NNW	NNW	NNE	N	N	N	N	NNW	NW	NNW	WNW
See all weather maps
cm	—	—	—	10	10	3	8	—	1	1	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-2	-3	-4	-5	-12	-12	-10	-8	-7	-7	-4	-3	-1	1	2	3	2	2	3
min °C	-3	-4	-5	-9	-13	-12	-12	-9	-7	-8	-6	-3	-4	1	2	2	2	2	0
chill °C	-8	-13	-15	-21	-27	-25	-25	-23	-20	-22	-15	-10	-12	-8	-6	-5	-6	-5	-9

Freezing level m	2400	2650	2500	2000	1500	1300	1300	1050	1250	1050	1500	2000	2250	3250	3450	3600	3500	3450	3550
Cloud base (m)	2150		2300	1850	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	1800	8050	1800	1800	1800

	—	6:39	—	—	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—	7:31	—	—
	—	—	5:58	—	—	5:59	—	—	6:00	—	—	6:01	—	—	6:02	—	—	7:04	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -2°C on Mon night, min -13°C on Wed morning). Winds increasing (light winds from the SSE on Mon night, extremely windy from the NNW by Thu afternoon).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 3°C on Sat night, min -8°C on Thu night). Winds decreasing (stormy winds from the NNW on Thu night, fresh winds from the N by Fri 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. 56 minutes ago	-1° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 40 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	5° C	Dry	Light winds from the S (11 kph at 184).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	0° C	Clear	Wind obs. (13 kph from 180 degs) was rejected.	13 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	-3° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 55 minutes ago	4° C	Dry	Calm (0 kph at 148).
Bend wx 39 km E 1118m alt. 1 hour ago	3° C	Dry	Calm (2 kph at 201).
Camp Sherman 39 km NNE 920.5m alt. 58 minutes ago	-2° C	-	Calm (0 kph at 206).
Deschutes River Woods wx 40 km ESE 1185m alt. 42 minutes ago	3° C	Dry	Calm (3 kph at 212).

* 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.