– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Sat 07 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sat 07 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Sun morning. Temperatures will be below freezing (max -5°C on Sat night, min -12°C on Sun night). Winds decreasing (gales from the WSW on Sun afternoon, calm by Mon night).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Fri morning. Temperatures will be well below freezing (max -7°C on Tue night, min -14°C on Fri afternoon). Winds increasing (calm on Tue night, near gales from the W by Thu night).
		Sunday 8			Monday 9			Tuesday 10			Wednesday 11			Thursday 12			Friday 13
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy snow	heavy snow	mod. snow	snow shwrs	clear	some clouds	some clouds	cloudy	cloudy	some clouds	light snow	light snow	some clouds	some clouds	clear	light snow	mod. snow	light snow	snow shwrs
km/h	WSW	WSW	WSW	W	WNW	NW	S	SSE	SE	SSE	W	W	NW	W	W	W	WSW	W	W
See all weather maps
cm	19	18	7	6	—	—	—	—	—	—	4	1	—	—	—	2	6	3	5
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-5	-8	-11	-11	-9	-7	-7	-8	-7	-9	-9	-8	-8	-8	-9	-12	-14	-14
min °C	-6	-7	-10	-12	-11	-10	-8	-8	-8	-9	-9	-9	-9	-9	-8	-11	-13	-14	-15
chill °C	-16	-18	-24	-25	-22	-18	-8	-19	-17	-15	-15	-17	-19	-20	-19	-23	-27	-28	-28

Freezing level m	2000	1850	1700	950	1300	1550	900	1450	1750	1050	1550	1750	1600	1650	1800	1050	1300	1200	450
Cloud base (m)	1800	1800	1800	1850	1800	1800	1800	5400	1800	1800	1850	1800	1800	1800	1900	1800	1800	1800	1850

	—	7:15	—	—	7:13	—	—	7:13	—	—	7:11	—	—	7:09	—	—	7:09	—	—
	—	—	5:27	—	—	5:28	—	—	5:29	—	—	5:30	—	—	5:31	—	—	5:34	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sun morning. Temperatures will be below freezing (max -5°C on Sat night, min -12°C on Sun night). Winds decreasing (gales from the WSW on Sun afternoon, calm by Mon night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Fri morning. Temperatures will be well below freezing (max -7°C on Tue night, min -14°C on Fri afternoon). Winds increasing (calm on Tue night, near gales from the W by Thu night).

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 42 minutes ago	4° C	Dry	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	6° C	Dry	Light winds from the SSE (6 kph at 167).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	5° C	Light rain .	Calm (0 kph at 0).	5 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 42 minutes ago	5° C	Dry	Calm (0 kph at 202).
Bend wx 39 km E 1118m alt. 3 hours ago	6° C	Dry	Light winds from the SSW (6 kph at 199).
Camp Sherman 39 km NNE 920.5m alt. 32 minutes ago	4° C	Dry	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 268).

* 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.