– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Fri 20 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Fri 20 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 7°C on Fri morning, min -2°C on Sat morning). Winds decreasing (near gales from the WSW on Fri night, calm by Sun afternoon).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 3°C on Mon morning, min -12°C on Wed morning). Winds decreasing (severe gales from the WSW on Tue night, light winds from the W by Wed night).
	Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	snow shwrs	some clouds	clear	some clouds	some clouds	clear	some clouds	cloudy	cloudy	some clouds	light snow	light snow	mod. snow	light snow	light snow	snow shwrs
km/h	WSW	WSW	WSW	W	W	WNW	NW	SSW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	W	W
See all weather maps
cm	—	—	2	—	—	—	—	—	—	—	—	—	1	4	8	4	4	1
mm	—	—	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	7	7	4	-2	-1	-1	2	3	2	3	3	1	1	1	-2	-11	-11	-7
min °C	5	6	0	-2	-1	-2	-1	3	2	2	3	-1	1	0	-10	-12	-11	-11
chill °C	-1	0	-8	-11	-8	-9	-6	3	0	-2	-2	-9	-6	-10	-24	-25	-23	-21

Freezing level m	3450	3300	2750	2150	2350	1750	2800	2900	3000	3000	2950	2600	2700	2450	1300	1000	1100	0
Cloud base (m)			2000	1850	8450	8850		6900	5650	4750	5650	2150	1850	1800	1800	1800	1800	1800

	7:09	—	—	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 morning, min -2°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 heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 3°C on Mon morning, min -12°C on Wed morning). Winds decreasing (severe gales from the WSW on Tue night, 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. 1 hour ago	22° C	Dry	Calm (3 kph at 283).
Bend 34 km E 1164.6m alt. 1 hour ago	23° C	Dry	Light winds from the NW (16 kph at 320).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	20° C	Clear	Moderate winds from the SW (26 kph at 230).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 40 minutes ago	17° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	21° C	Dry	Light winds from the WSW (14 kph at 238).
Bend 37 km ESE 1158m alt. 1 hour ago	23° C	Dry	Calm (3 kph at 232).
Bend wx 39 km E 1118m alt. 49 minutes ago	23° C	Dry	Light winds from the SW (18 kph at 230).
Deschutes River Woods wx 40 km ESE 1185m alt. 53 minutes ago	22° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	15° C	Dry	Wind obs. (10 kph from 171 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 2 hours ago	24° C	Dry	Wind obs. (8 kph from 221 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.