– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Fri 20 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 20 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 7°C on Fri afternoon, min -3°C on Sat morning). Winds decreasing (near gales from the WSW on Fri night, calm by Sun afternoon).											Days 5–7 Weather Summary A moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 3°C on Mon afternoon, min -12°C on Wed night). Winds decreasing (stormy winds from the WSW on Tue afternoon, light winds from the W by Wed night).
	Fri 20		Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	light snow	snow shwrs	clear	clear	cloudy	some clouds	some clouds	some clouds	cloudy	some clouds	light snow	light snow	light snow	snow shwrs	light snow	snow shwrs
km/h	WSW	WSW	W	W	WNW	NW	SW	SW	WSW	SW	WSW	WSW	WSW	WSW	WSW	W	WNW
See all weather maps
cm	—	1	1	—	—	—	—	—	—	—	—	1	3	2	3	4	1
mm	—	0.3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	7	4	-2	-1	-1	2	3	2	2	3	1	1	0	-3	-11	-11	-9
min °C	6	0	-3	-1	-3	-1	3	1	1	2	0	1	-1	-10	-11	-11	-12
chill °C	0	-8	-12	-8	-10	-6	1	-4	-4	-4	-8	-7	-12	-24	-25	-23	-22

Freezing level m	3350	2850	2200	2300	1500	2800	2850	2900	2900	2850	2650	2650	2400	1200	1000	1050	0
Cloud base (m)	7250	1850	1850	8550	9050	7200	6800	5650	4650	6050	2800	1950	1800	1800	1800	1800	8450

	—	—	7:09	—	—	7:07	—	—	7:05	—	—	7:03	—	—	7:01	—	—
	7:19	—	—	7:20	—	—	7:21	—	—	7:22	—	—	7:22	—	—	7:24	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 7°C on Fri afternoon, min -3°C on Sat morning). Winds decreasing (near gales from the WSW on Fri night, calm by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 3°C on Mon afternoon, min -12°C on Wed night). Winds decreasing (stormy winds from the WSW on Tue afternoon, light winds from the W by Wed night).

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. 52 minutes ago	13° C	Dry	Calm (2 kph at 6).
Bend 34 km E 1164.6m alt. 1 hour ago	17° C	Dry	Calm (5 kph at 205).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	16° C	Clear	Light winds from the S (13 kph at 190).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	12° C	Dry	Light winds from the W (6 kph at 281).
Bend 37 km SSE 1297m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 52 minutes ago	17° C	Dry	Calm (0 kph at 241).
Bend wx 39 km E 1118m alt. 3 hours ago	20° C	Dry	Light winds from the SW (10 kph at 235).
Deschutes River Woods wx 40 km ESE 1185m alt. 38 minutes ago	16° C	Dry	Calm (0 kph at 270).
Rainbow wx 41 km WSW 410m alt. 56 minutes ago	10° C	Dry	Wind obs. (8 kph from 192 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 1 hour ago	17° C	Dry	Calm (0 kph at 259).

* 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.