– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sun 06 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 06 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 8°C on Tue night, min -5°C on Sun morning). Winds decreasing (fresh winds from the N on Sun night, calm by Tue morning).									Days 4–6 Weather Summary Mostly dry. Very mild (max 10°C on Wed morning, min 6°C on Fri night). Winds increasing (light winds from the SW on Wed afternoon, near gales from the WNW by Fri night).
	Sunday 6			Monday 7			Tuesday 8			Wednesday 9			Thursday 10			Friday 11
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	light snow	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear
Cloud base (m)	2050	2350	2050										6100
km/h	SSW	NW	NNW	WNW	WSW	W	SW	SW	WSW	SW	SW	WSW	W	W	WNW	NW	WNW	NW
See all weather maps
cm	1	2	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-4	-1	1	2	4	6	6	8	10	10	10	9	9	9	8	7	7
min °C	-5	-4	-3	0	0	2	5	6	7	9	10	10	9	9	8	8	7	6
chill °C	-11	-7	-10	-6	-3	-3	3	5	4	7	8	7	4	4	3	4	2	1

Freezing level m	2500	2600	2850	3250	3400	3650	4050	4050	4350	4700	4750	4650	4650	4550	4400	4300	4300	4500

	6:35	—	—	6:35	—	—	6:37	—	—	6:37	—	—	6:39	—	—	6:41	—	—
	—	7:34	—	—	7:31	—	—	7:30	—	—	7:29	—	—	7:27	—	—	7:24	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 8°C on Tue night, min -5°C on Sun morning). Winds decreasing (fresh winds from the N on Sun night, calm by Tue morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 10°C on Wed morning, min 6°C on Fri night). Winds increasing (light winds from the SW on Wed afternoon, near gales from the WNW by Fri 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. 55 minutes ago	6°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 38 minutes ago	6°C	Dry	Calm (2 kph at 226).
Bend 34 km E 1164.6m alt. 47 minutes ago	6°C	Dry	Wind obs. (6 kph from 161 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	5°C	Dry and cloudy.	Light winds from the SSE (6 kph at 160).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 59 minutes ago	3°C	Dry	Calm (0 kph at 204).
Bend 37 km SSE 1297m alt. 1 hour ago	3°C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 54 minutes ago	6°C	Dry	Calm (0 kph at 193).
Deschutes River Woods wx 40 km ESE 1185m alt. 42 minutes ago	4°C	Dry	Calm (0 kph at 186).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 209).
La Pine 43 km SSE 1298m alt. 1 hour ago	3°C	Dry	Calm (0 kph at 146).

* 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.