– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Wed 04 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Wed 04 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Wed night, min -3°C on Fri night). Winds increasing (calm on Thu night, near gales from the SW by Sat afternoon).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -3°C on Sat night, min -13°C on Sun night). Winds decreasing (severe gales from the SW on Sun afternoon, light winds from the SSW by Tue afternoon).
		Thursday 5			Friday 6			Saturday 7			Sunday 8			Monday 9			Tuesday 10
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	clear	some clouds	cloudy	cloudy	light snow	mod. snow	heavy snow	snow shwrs	snow shwrs	light snow	light snow	light snow	light snow
km/h	SSE	SE	SW	WSW	SW	WNW	WSW	SW	SW	WSW	WSW	SW	WNW	WNW	W	WSW	WSW	SW	SE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	3	8	17	3	4	5	2	1	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	5	2	2	0	-2	-2	-3	-3	-3	-3	-4	-9	-12	-12	-13	-13	-12	-12
min °C	5	4	2	0	-1	-2	-3	-3	-3	-4	-4	-6	-13	-12	-13	-13	-13	-13	-12
chill °C	-1	-2	-3	0	-4	-6	-11	-12	-12	-15	-15	-17	-27	-25	-26	-27	-23	-20	-21

Freezing level m	4050	3900	3500	3400	3100	2900	2750	2750	2750	2550	2500	2450	1100	1300	1350	1150	1350	1500	1100
Cloud base (m)	9150					7150	8800	9450	6200	1950	1800	1750	1800	1800	1800	1800	1800	1900	2000

	—	7:18	—	—	7:18	—	—	7:16	—	—	7:15	—	—	7:13	—	—	7:13	—	—
	—	—	5:22	—	—	5:23	—	—	5:24	—	—	5:27	—	—	5:28	—	—	5:29	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 6°C on Wed night, min -3°C on Fri night). Winds increasing (calm on Thu night, near gales from the SW by Sat afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -3°C on Sat night, min -13°C on Sun night). Winds decreasing (severe gales from the SW on Sun afternoon, light winds from the SSW by Tue 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. 52 minutes ago	-4° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 54 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	3° C	Dry	Calm (2 kph at 89).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-5° C	Clear	Wind obs. (9 kph from 190 degs) was rejected.	13 km
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	7° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	-6° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 52 minutes ago	-1° C	-	Calm (0 kph at 88).
Camp Sherman 39 km NNE 920.5m alt. 59 minutes ago	-4° C	-	Calm (0 kph at 349).
Deschutes River Woods wx 40 km ESE 1185m alt. 38 minutes ago	-3° C	-	Calm (0 kph at 216).
Bend 40 km E 1102m alt. 42 minutes ago		-	Calm (2 kph at 311).

* 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.