– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Mon 01 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Mon 01 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -5°C on Tue afternoon). Winds decreasing (near gales from the WNW on Mon night, light winds from the NNW by Wed morning).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 1°C on Thu morning, min -3°C on Fri night). Winds decreasing (gales from the WNW on Fri morning, moderate winds from the W by Sat afternoon).
	Monday 1			Tuesday 2			Wednesday 3			Thursday 4			Friday 5			Saturday 6
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	clear	some clouds	some clouds	clear	cloudy	some clouds	some clouds	cloudy	cloudy	light snow	mod. snow	light snow	snow shwrs	some clouds	some clouds	cloudy
km/h	NNW	NW	WNW	NW	NNW	NNE	NNW	NW	NNW	NW	NW	WNW	W	WNW	WNW	WNW	WNW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	3	7	5	1	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	4	3	0	-3	-4	-2	0	-1	1	1	1	1	1	0	-2	-3	-2	0
min°C	4	1	-3	-3	-5	-4	-1	-2	-1	1	1	0	1	0	-3	-3	-3	-1
chill°C	-1	-5	-13	-12	-12	-10	-5	-8	-7	-6	-7	-8	-7	-9	-12	-12	-10	-9

Freezing level (m)	3400	3300	2200	1700	1450	1200	2300	2200	2600	2900	2700	2400	2600	2550	2150	1950	2000	2400
Cloud base (m)	5250	4650	2250	1850	1800	1800	5950	3450	2150	2150	1800	1800	1800	1800	1800	1850	1800	2150

	7:22	—	—	7:22	—	—	7:24	—	—	7:24	—	—	7:26	—	—	7:26	—	—
	—	4:29	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:28	—	—	4:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -5°C on Tue afternoon). Winds decreasing (near gales from the WNW on Mon night, light winds from the NNW by Wed morning).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 1°C on Thu morning, min -3°C on Fri night). Winds decreasing (gales from the WNW on Fri morning, moderate winds from the W by Sat afternoon).

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 1 hour ago	1° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	0° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	4° C	Dry	Calm (5 kph at 224).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	0° C	Clear	Light winds from the S (17 kph at 190).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	1° C	-	Calm (0 kph at 180).
Bend 37 km SSE 1297m alt. 1 hour ago	2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (2 kph at 197).
Camp Sherman 39 km NNE 920.5m alt. 3 hours ago	-3° C	-	Calm (0 kph at 21).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	4° C	Dry	Calm (5 kph at 263).

* 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.