– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Thu 21 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 21 Nov 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 Fri afternoon. Temperatures will be below freezing (max -2°C on Thu night, min -13°C on Sat morning). Winds decreasing (extremely windy from the SSW on Thu night, moderate winds from the SSW by Fri night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be well below freezing (max -7°C on Tue night, min -11°C on Mon night). Winds decreasing (gales from the WSW on Sun morning, light winds from the SW by Mon afternoon).
	Thursday 21			Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	cloudy	light snow	light snow	light snow	mod. snow	snow shwrs	snow shwrs	snow shwrs	cloudy	cloudy	some clouds	cloudy	heavy snow	mod. snow	some clouds	clear	clear
km/h	WSW	WSW	SSW	SW	SW	SSW	W	WSW	SW	WSW	WSW	SSW	SSW	SW	WNW	NW	NW	NNW
See all weather maps
cm	4	—	2.0	2.0	5	9	5	1.0	1.0	—	—	—	—	17	7	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-7	-5	-2	-5	-8	-9	-13	-12	-11	-10	-10	-9	-9	-9	-11	-10	-10	-7
min°C	-7	-7	-3	-7	-9	-12	-13	-12	-12	-10	-10	-10	-9	-10	-11	-11	-10	-10
chill°C	-19	-19	-14	-20	-20	-26	-27	-25	-24	-23	-22	-20	-17	-17	-19	-19	-20	-20

Freezing level (m)	1800	1900	2800	2300	1850	1200	1200	1200	750	1300	1450	950	1450	1550	1350	1350	1300	1050
Cloud base (m)	1800	1800	1800	1800	1800	1800	1850	1800	1800	2350	1850	2200	2150	2000	1800	1850	1800	1800

	7:11	—	—	7:11	—	—	7:13	—	—	7:15	—	—	7:16	—	—	7:16	—	—
	—	4:34	—	—	4:32	—	—	4:32	—	—	4:31	—	—	4:31	—	—	4:30	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max -2°C on Thu night, min -13°C on Sat morning). Winds decreasing (extremely windy from the SSW on Thu night, moderate winds from the SSW by Fri night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be well below freezing (max -7°C on Tue night, min -11°C on Mon night). Winds decreasing (gales from the WSW on Sun morning, light winds from the SW by Mon afternoon).

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 2 hours ago	1° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	1° C	-	Calm (0 kph at 238).
Sisters 32 km NE 964m alt. 1 hour ago	1° C	-
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 25 minutes ago	3° C	Dry	Light winds from the SSE (6 kph at 155).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	1° C	Dry and cloudy.	Light winds from the SW (9 kph at 230).	16 km Low: few Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 34 minutes ago	1° C	-	Calm (0 kph at 300).
Bend wx 36 km E 1118m alt. 1 hour ago	11° C	Dry	Calm (2 kph at 155).
Bend 37 km SSE 1297m alt. 58 minutes ago	1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 220).

* 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.