– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Mon 02 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Mon 02 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -2°C on Mon night, min -12°C on Wed morning). Winds increasing (light winds from the SE on Mon night, gales from the NNW by Wed night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 3°C on Sat afternoon, min -7°C on Thu morning). Winds decreasing (severe gales from the NW on Thu night, fresh winds from the NNW by Fri night).
	Monday 2			Tuesday 3			Wednesday 4			Thursday 5			Friday 6			Saturday 7
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	clear	cloudy	light snow	mod. snow	light snow	snow shwrs	clear	clear	snow shwrs	light snow	clear	clear	some clouds	some clouds	clear
km/h	NNE	NE	S	SW	SW	WSW	WSW	WNW	NW	N	NNW	NNW	NNW	NNW	NNW	N	NNW	NNW
See all weather maps
cm	—	—	—	—	—	4	10	2	5	—	—	2	1	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-3	-2	-3	-5	-7	-10	-11	-9	-6	-6	-4	-3	-2	-2	2	3	2
min °C	-5	-4	-3	-5	-6	-9	-12	-11	-11	-7	-6	-6	-6	-3	-3	0	1	1
chill °C	-11	-9	-10	-14	-17	-19	-25	-23	-24	-19	-17	-17	-18	-13	-12	-9	-8	-8

Freezing level m	2200	2500	2450	2550	2400	1900	1600	1350	1350	1300	1300	1250	1750	2200	1400	3200	3550	3400
Cloud base (m)	1800	1900	8700	2200	2450	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	1800	1850

	6:41	—	—	6:39	—	—	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—
	—	5:55	—	—	5:58	—	—	5:59	—	—	6:00	—	—	6:01	—	—	6:02	—

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 -2°C on Mon night, min -12°C on Wed morning). Winds increasing (light winds from the SE on Mon night, gales from the NNW by Wed night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 3°C on Sat afternoon, min -7°C on Thu morning). Winds decreasing (severe gales from the NW on Thu night, fresh winds from the NNW by Fri night).

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	3° C	Dry	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 174).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	4° C	Mist -.	Calm (0 kph at 0).	8 km
Black Butte Ranch wx 36 km NW 1429m alt. 35 minutes ago	7° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 48 minutes ago	4° C	Dry	Calm (0 kph at 300).
Bend wx 39 km E 1118m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 225).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 35 minutes ago	3° C	Dry	Calm (0 kph at —).

* 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.