– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Tue 17 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Tue 17 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Thu morning. Temperatures will be well below freezing (max -7°C on Fri morning, min -15°C on Tue night). Winds decreasing (fresh winds from the WNW on Wed morning, calm by Thu morning).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -3°C on Sat morning, min -10°C on Mon afternoon). Winds increasing (light winds from the SW on Sun night, severe gales from the WSW by Mon morning).
		Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22			Monday 23
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	cloudy	light snow	cloudy	light snow	light snow	clear	some clouds	cloudy	light snow	light snow	some clouds	some clouds	some clouds	light snow	heavy snow	light snow	mod. snow	light snow
km/h	WNW	WNW	W	SW	SE	NW	WNW	W	SSW	SSW	SSW	SSE	S	S	S	S	SW	WSW	SW
See all weather maps
cm	—	—	2	—	2	3	—	—	—	1	1	—	—	—	1	17	3	9	3
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-14	-13	-13	-13	-11	-11	-11	-7	-7	-7	-3	-4	-4	-3	-4	-4	-9	-10	-8
min °C	-15	-14	-13	-14	-12	-12	-13	-8	-8	-8	-5	-5	-6	-4	-5	-7	-9	-10	-10
chill °C	-25	-26	-24	-26	-18	-15	-18	-12	-14	-16	-14	-15	-18	-14	-15	-19	-22	-23	-19

Freezing level m	100	500	700	350	800	1000	0	800	1250	600	1200	1850	950	1850	1950	1650	1350	1200	800
Cloud base (m)	1800	1800	1800	1950	2100	1800	1800	8100	2250	1800	1950	2000	2150	2050	1850	1800	1850	1800	1850

	—	7:01	—	—	7:00	—	—	6:58	—	—	6:56	—	—	6:54	—	—	6:52	—	—
	—	—	5:39	—	—	5:42	—	—	5:43	—	—	5:44	—	—	5:45	—	—	5:46	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Thu morning. Temperatures will be well below freezing (max -7°C on Fri morning, min -15°C on Tue night). Winds decreasing (fresh winds from the WNW on Wed morning, calm by Thu morning).

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 morning, min -10°C on Mon afternoon). Winds increasing (light winds from the SW on Sun night, severe gales from the WSW by Mon 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. 41 minutes ago	-3° C	-	Calm (2 kph at 298).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 59 minutes ago	-4° C	-	Calm (5 kph at 202).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-5° C	Dry and cloudy.	Light winds from the SSW (13 kph at 200).	16 km Low: broken Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	-7° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 37 minutes ago	-4° C	-	Calm (0 kph at 215).
Camp Sherman 39 km NNE 920.5m alt. 57 minutes ago	-3° C	-	Calm (0 kph at 41).
Deschutes River Woods wx 40 km ESE 1185m alt. 3 hours ago	-4° C	-	Calm (0 kph at —).
Bend 40 km E 1102m alt. 1 hour ago		-	Wind obs. (13 kph from 212 degs) was rejected.

* 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.