– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Thu 20 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Thu 20 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Fri afternoon, min -7°C on Thu afternoon). Winds increasing (calm on Thu afternoon, stormy winds from the WSW by Sun morning).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -2°C on Tue night, min -15°C on Sun night). Winds decreasing (stormy winds from the WSW on Sun afternoon, fresh winds from the NNW by Tue morning).
	Thu 20		Friday 21			Saturday 22			Sunday 23			Monday 24			Tuesday 25
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	clear	some clouds	clear	clear	clear	light snow	heavy snow	mod. snow	light snow	snow shwrs	clear	clear	clear	some clouds
km/h	E	NNW	NW	NNE	WNW	WNW	W	WSW	WSW	WSW	WNW	WNW	WNW	NNW	NNW	NW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	2	13	10	4	2	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-5	-1	0	2	2	1	1	1	-5	-10	-14	-14	-13	-9	-7	-3	-2
min°C	-7	-7	-1	2	1	1	1	-2	-7	-13	-15	-15	-14	-11	-7	-4	-3
chill°C	-7	-12	-5	-3	-4	-4	-5	-12	-21	-28	-30	-29	-27	-22	-16	-13	-12

Freezing level (m)	1950	1250	2950	3400	3350	3350	3250	3250	2400	1600	1000	1200	1100	700	1250	1450	1550
Cloud base (m)	2100	1800	8650		7250	5550	5700	5900		2050	1800	1800	1800	1800	4950	3300	2200

	—	—	7:09	—	—	7:11	—	—	7:11	—	—	7:13	—	—	7:15	—	—
	4:36	—	—	4:35	—	—	4:34	—	—	4:32	—	—	4:32	—	—	4:31	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Fri afternoon, min -7°C on Thu afternoon). Winds increasing (calm on Thu afternoon, stormy winds from the WSW by Sun morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -2°C on Tue night, min -15°C on Sun night). Winds decreasing (stormy winds from the WSW on Sun afternoon, fresh winds from the NNW by Tue morning).

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. 1 hour ago	-3° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 48 minutes ago	-3° C	-	Calm (0 kph at 145).
Sunriver 34 km SE 1242m alt. 57 minutes ago		Dry
Bend 34 km E 1164.6m alt. 49 minutes ago	1° C	-	Calm (2 kph at 84).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-3° C	-	Light winds from the NNE (11 kph at 20).	16 km Low: few
Black Butte Ranch wx 36 km NW 1429m alt. 58 minutes ago	-3° C	-	Calm (0 kph at 295).
Bend 37 km SSE 1297m alt. 1 hour ago	-3° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 48 minutes ago	-1° C	-	Calm (0 kph at 329).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-2° C	-	Calm (0 kph at 328).
Deschutes River Woods wx 40 km ESE 1185m alt. 36 minutes ago	-3° C	-	Calm (0 kph at 353).

* 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.