– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Tue 03 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Tue 03 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -3°C on Tue morning, min -13°C on Wed morning). Winds increasing (strong winds from the SW on Tue morning, stormy winds from the WSW by Tue night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 3°C on Sat night, min -6°C on Fri morning). Winds increasing (fresh winds from the NNW on Fri night, severe gales from the WNW by Sun night).
	Tuesday 3			Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	heavy snow	mod. snow	snow shwrs	snow shwrs	clear	snow shwrs	snow shwrs	some clouds	clear	some clouds	some clouds	some clouds	some clouds	clear	clear	clear
km/h	SW	SW	SW	W	WNW	WNW	NW	NNW	NNW	N	N	NNW	N	N	NNW	WNW	WNW	WNW
See all weather maps
cm	—	—	12	10	5	9	—	1	3	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-4	-6	-13	-12	-9	-10	-7	-8	-6	-4	-2	2	2	3	2	0	-2
min °C	-4	-5	-11	-13	-13	-13	-10	-9	-10	-6	-5	-3	0	2	2	1	-1	-3
chill °C	-13	-15	-26	-28	-27	-27	-24	-23	-24	-16	-14	-11	-9	-6	-4	-6	-10	-14

Freezing level m	2650	2550	1950	1350	1250	1250	1050	1250	1100	1450	2000	1500	3200	3500	3550	3450	3150	2750
Cloud base (m)	2400	2450	1850	1800	1800	1800	1800	1800	1800	1800	1850	1850	1800	1800	1750	1800	1800	1800

	6:39	—	—	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—	7:31	—	—
	—	5:58	—	—	5:59	—	—	6:00	—	—	6:01	—	—	6:02	—	—	7:04	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -3°C on Tue morning, min -13°C on Wed morning). Winds increasing (strong winds from the SW on Tue morning, stormy winds from the WSW by Tue night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 3°C on Sat night, min -6°C on Fri morning). Winds increasing (fresh winds from the NNW on Fri night, severe gales from the WNW by Sun night).

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. 53 minutes ago	14° C	Dry	Calm (2 kph at 77).
Sunriver 34 km SE 1242m alt. 53 minutes ago		Dry
Bend 34 km E 1164.6m alt. 59 minutes ago	16° C	Dry	Wind obs. (10 kph from 170 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	12° C	Clear	Wind obs. (22 kph from 190 degs) was rejected.	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 56 minutes ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	14° C	Dry	Calm (2 kph at 163).
Bend 37 km ESE 1158m alt. 52 minutes ago	16° C	Dry	Calm (2 kph at 183).
Bend wx 39 km E 1118m alt. 1 hour ago	15° C	Dry	Wind obs. (13 kph from 183 degs) was rejected.
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	16° C	Dry	Wind obs. (6 kph from 354 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 40 minutes ago	14° C	Dry	Wind obs. (10 kph from 278 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.