– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Fri 21 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Fri 21 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Sun afternoon. Freeze-thaw conditions (max 5°C on Sat morning, min -10°C on Sun night). Winds increasing (calm on Fri night, near gales from the WSW by Sun night).										Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Thu morning, min -7°C on Mon night). Winds increasing (light winds from the NW on Mon night, near gales from the W by Wed afternoon).
		Saturday 22			Sunday 23			Monday 24			Tuesday 25			Wednesday 26			Thursday 27
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	light snow	snow shwrs	cloudy	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	some clouds	cloudy	cloudy	light snow	light snow
km/h	WNW	W	W	WSW	W	W	W	WNW	NW	NW	WNW	W	W	WSW	W	W	WSW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	3	3	—	—	—	—	—	—	—	—	—	—	3	3
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	3	5	3	2	-1	-3	-7	-9	-7	-5	-1	-1	0	1	1	1	2	1	-1
min°C	3	4	2	0	-2	-5	-10	-10	-8	-7	-2	-2	-1	0	0	0	1	0	-5
chill°C	2	0	-3	-8	-10	-15	-21	-20	-16	-14	-7	-10	-8	-8	-9	-9	-6	-8	-15

Freezing level (m)	3400	3350	3250	3100	2400	1950	1050	1100	1150	700	1950	2150	2500	2500	2500	2450	2800	2600	2000
Cloud base (m)	8000		6150	6400	3100	2000	1800	1800	1800	1750	5250	3100	2150	2100	5650	2050	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 light covering of new snow mostly falling on Sun afternoon. Freeze-thaw conditions (max 5°C on Sat morning, min -10°C on Sun night). Winds increasing (calm on Fri night, near gales from the WSW by Sun night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 2°C on Thu morning, min -7°C on Mon night). Winds increasing (light winds from the NW on Mon night, near gales from the W by Wed 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	-5° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 37 minutes ago	-5° C	-	Calm (0 kph at 305).
Sunriver 34 km SE 1242m alt. 24 minutes ago		Dry
Bend 34 km E 1164.6m alt. 36 minutes ago	2° C	-	Light winds from the S (11 kph at 174).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-5° C	Clear	Light winds from the S (13 kph at 180).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 29 minutes ago	-3° C	-	Calm (0 kph at 65).
Bend 37 km SSE 1297m alt. 1 hour ago	-8° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 37 minutes ago	2° C	-	Calm (0 kph at 186).
Bend wx 39 km E 1118m alt. 2 hours ago	-4° C	-	Calm (0 kph at 225).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-6° C	-	Calm (0 kph at 329).

* 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.