– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Tue 02 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Tue 02 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 1°C on Thu night, min -4°C on Tue night). Winds increasing (light winds from the NNW on Tue night, severe gales from the WNW by Thu night).										Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon morning, min -4°C on Fri night). Winds decreasing (severe gales from the WNW on Fri night, moderate winds from the W by Sun night).
		Wednesday 3			Thursday 4			Friday 5			Saturday 6			Sunday 7			Monday 8
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level (m)	1500	2100	1950	2100	2650	2650	2550	2450	2100	1900	1700	1850	2200	2500	2400	2300	2700	2500	2500
Cloud base (m)	1800		3000	1800	1900	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	6300	2850	1800

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

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 1°C on Thu night, min -4°C on Tue night). Winds increasing (light winds from the NNW on Tue night, severe gales from the WNW by Thu night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon morning, min -4°C on Fri night). Winds decreasing (severe gales from the WNW on Fri night, moderate winds from the W by Sun 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 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. 42 minutes ago	-4° C	-	Calm (0 kph at 297).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	0° C	-	Calm (0 kph at 121).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-3° C	Mist -.	Light winds from the S (9 kph at 190).	10 km Low: few Mid: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 38 minutes ago	-4° C	-	Calm (0 kph at 37).
Bend 37 km SSE 1297m alt. 32 minutes ago	-7° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 42 minutes ago	-2° C	-	Calm (0 kph at 324).
Bend wx 39 km E 1118m alt. 1 hour ago	-3° C	-	Calm (0 kph at 225).
Camp Sherman 39 km NNE 920.5m alt. 50 minutes ago	-6° C	-	Calm (0 kph at 279).

* 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.