– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Thu 19 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Thu 19 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -2°C on Sun morning, min -13°C on Thu night). Winds increasing (light winds from the NNW on Thu night, gales from the SW by Sun afternoon).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max 0°C on Mon morning, min -11°C on Tue night). Winds decreasing (gales from the SW on Sun night, light winds from the W by Wed morning).
		Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	cloudy	mod. snow	light snow	cloudy	some clouds	cloudy	light snow	light snow	cloudy	light snow	mod. snow	light snow	some clouds	snow shwrs	clear	clear	clear
km/h	NNW	W	SW	SW	SSW	S	SSW	SSW	SW	SW	WSW	SW	WSW	WSW	WSW	W	WNW	WSW	WSW
See all weather maps
cm	—	—	—	6	3	—	—	—	1	4	—	1	8	4	—	3	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-10	-8	-8	-6	-5	-4	-4	-2	-2	-2	0	-1	-1	-4	-6	-9	-5	-4	-6
min °C	-13	-8	-8	-8	-5	-5	-5	-4	-3	-3	-2	-1	-3	-5	-8	-11	-8	-5	-7
chill °C	-22	-14	-16	-17	-14	-14	-15	-15	-14	-13	-11	-9	-11	-16	-18	-24	-16	-12	-17

Freezing level m	0	750	1200	950	1200	1700	1050	1850	2150	1950	2200	2350	2300	1650	1550	950	1100	1700	900
Cloud base (m)	1800	1800	1850	2750	1850	2000	2250	2000	1850	1800	1850	1900	1800	1800	1800	1800	1850		1800

	—	6:58	—	—	6:56	—	—	6:54	—	—	6:52	—	—	6:52	—	—	6:50	—	—
	—	—	5:43	—	—	5:44	—	—	5:45	—	—	5:46	—	—	5:49	—	—	5:50	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -2°C on Sun morning, min -13°C on Thu night). Winds increasing (light winds from the NNW on Thu night, gales from the SW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max 0°C on Mon morning, min -11°C on Tue night). Winds decreasing (gales from the SW on Sun night, light winds from the W by Wed morning).

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. 26 minutes ago	-3° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 58 minutes ago	-4° C	-	Calm (5 kph at 146).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-10° C	Clear	Light winds from the SW (6 kph at 230).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 48 minutes ago	-1° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	-8° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 35 minutes ago	-5° C	-	Calm (0 kph at 329).
Bend wx 39 km E 1118m alt. 56 minutes ago	-7° C	-	Calm (2 kph at 266).
Camp Sherman 39 km NNE 920.5m alt. 51 minutes ago	-2° C	-	Calm (0 kph at 80).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	-4° C	-	Calm (0 kph at 344).

* 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.