– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Sun 22 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sun 22 Feb 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 Mon night. Temperatures will be below freezing (max 0°C on Mon night, min -10°C on Tue night). Winds decreasing (gales from the SW on Sun morning, strong winds from the NW by Tue night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 3°C on Fri afternoon, min -6°C on Wed morning). Winds decreasing (strong winds from the WNW on Thu night, light winds from the SSE by Fri night).
	Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	light snow	cloudy	light snow	mod. snow	light snow	light snow	snow shwrs	clear	clear	some clouds	some clouds	some clouds	some clouds	clear	clear	some clouds
km/h	SW	SW	SW	WSW	SW	WSW	WSW	WSW	W	NNW	NW	W	WNW	W	W	W	W	WSW
See all weather maps
cm	—	3	3	—	2	9	3	4	5	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-3	-3	-1	-2	0	-1	-3	-7	-4	-4	-2	2	2	0	2	3	2
min °C	-3	-3	-3	-2	-2	-1	-1	-4	-10	-6	-4	-4	0	0	-1	1	2	0
chill °C	-14	-13	-13	-12	-11	-10	-10	-15	-21	-13	-9	-8	-6	-6	-8	-6	-3	-2

Freezing level m	2000	2000	1900	2150	2150	2300	2350	2100	1050	1100	1550	950	2650	3000	2000	2650	3150	3150
Cloud base (m)	2050	1800	1800	1900	1850	1800	1800	1800	1800	1850	1800		6700		6650	2750	2450	5550

	6:54	—	—	6:52	—	—	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—
	—	5:45	—	—	5:46	—	—	5:49	—	—	5:50	—	—	5:51	—	—	5:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max 0°C on Mon night, min -10°C on Tue night). Winds decreasing (gales from the SW on Sun morning, strong winds from the NW by Tue night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 3°C on Fri afternoon, min -6°C on Wed morning). Winds decreasing (strong winds from the WNW on Thu night, light winds from the SSE by Fri 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	-2° C	-	Calm (0 kph at 242).
Sunriver 34 km SE 1242m alt. 41 minutes ago		Dry
Bend 34 km E 1164.6m alt. 33 minutes ago	4° C	Dry	Light winds from the S (11 kph at 174).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	3° C	Dry and cloudy.	Light winds from the SW (17 kph at 220).	16 km Low: few Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 42 minutes ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	2° C	-	Calm (2 kph at 164).
Bend 37 km ESE 1158m alt. 43 minutes ago	4° C	Dry	Calm (3 kph at 155).
Bend wx 39 km E 1118m alt. 37 minutes ago	4° C	Dry	Calm (5 kph at 162).
Camp Sherman 39 km NNE 920.5m alt. 59 minutes ago	-3° C	-	Calm (0 kph at 341).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	-3° C	-	Calm (2 kph at 146).

* 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.