– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Tue 25 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Tue 25 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 1°C on Fri afternoon, min -5°C on Thu morning). Winds decreasing (stormy winds from the WSW on Thu afternoon, light winds from the ENE by Fri afternoon).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Sun night, min -8°C on Sat afternoon). Winds increasing (light winds from the SW on Fri night, strong winds from the NW by Sat morning).
		Wednesday 26			Thursday 27			Friday 28			Saturday 29			Sunday 30			Monday 1
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	cloudy	some clouds	some clouds	some clouds	clear	clear	clear	cloudy	cloudy	some clouds	cloudy	some clouds	clear	clear	clear	some clouds	some clouds	light snow
km/h	WNW	WSW	WSW	WSW	WSW	WSW	W	N	NE	WSW	NW	NNW	NNE	NNE	NNW	N	NNW	NW	WNW
See all weather maps
cm	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-2	-1	0	0	-4	-4	-3	-2	1	0	-6	-8	-7	-5	-3	5	5	4	2
min°C	-2	-1	-1	-2	-5	-5	-5	-3	0	-4	-7	-8	-8	-6	-4	-1	5	3	-5
chill°C	-12	-9	-9	-12	-17	-17	-18	-12	-7	-13	-17	-18	-17	-12	-9	-7	2	-2	-15

Freezing level (m)	2400	2850	2950	3050	2450	2450	1950	2300	3150	3000	2200	1800	1300	1950	2150	3350	3800	3750	3100
Cloud base (m)	1800	1800	1850		2250	2150	1800	1850	1900	1800		2600	1800	9250			6650	5700

	—	7:16	—	—	7:16	—	—	7:18	—	—	7:18	—	—	7:20	—	—	7:22	—	—
	—	—	4:31	—	—	4:30	—	—	4:30	—	—	4:30	—	—	4:30	—	—	4:29	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 1°C on Fri afternoon, min -5°C on Thu morning). Winds decreasing (stormy winds from the WSW on Thu afternoon, light winds from the ENE by Fri afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Sun night, min -8°C on Sat afternoon). Winds increasing (light winds from the SW on Fri night, strong winds from the NW by Sat 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	Dry	Calm (5 kph at 290).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 255).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	7° C	Dry	Light winds from the S (8 kph at 188).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	5° C	Dry and cloudy.	Light winds from the SW (17 kph at 230).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 42 minutes ago	1° C	-	Calm (5 kph at 300).
Bend 37 km SSE 1297m alt. 1 hour ago	1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 228).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	2° C	-	Calm (0 kph at 123).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	6° C	Dry	Calm (2 kph at 270).

* 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.