– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Fri 11 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Fri 11 Sep 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 8°C on Fri afternoon, min -3°C on Sat night). Winds decreasing (strong winds from the W on Sat night, light winds from the NW by Mon morning).											Days 5–7 Weather Summary Mostly dry. Very mild (max 13°C on Thu morning, min 5°C on Mon night). Wind will be generally light.
	Fri 11		Saturday 12			Sunday 13			Monday 14			Tuesday 15			Wednesday 16
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	clear	some clouds	light rain	snow shwrs	cloudy	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	6800			3150	1800	1800	1850					8100	3650
km/h	WSW	SW	SSW	SSW	W	WNW	NNW	WNW	NW	W	WNW	WNW	NW	ENE	ESE	SE	SW
See all weather maps
cm	—	—	—	—	4	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	0.1	—	—	0.1	—	—	—	—	—	—	—	—	—	—
max °C	8	6	6	6	0	-1	2	3	7	8	6	6	7	6	10	11	10
min °C	8	6	6	3	-3	-2	0	2	4	8	5	5	7	5	7	11	9
chill °C	5	2	1	-1	-11	-10	-7	-3	0	7	2	3	7	4	4	9	8

Freezing level m	3650	3700	3350	3000	2000	2300	2900	3200	3600	3700	3650	3350	3400	3700	4150	4200	4150

	—	—	6:41	—	—	6:43	—	—	6:43	—	—	6:45	—	—	6:46	—	—
	7:24	—	—	7:22	—	—	7:21	—	—	7:19	—	—	7:17	—	—	7:15	—

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 Fri afternoon, min -3°C on Sat night). Winds decreasing (strong winds from the W on Sat night, light winds from the NW by Mon morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Thu morning, min 5°C on Mon night). Wind will be generally light.

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	23°C	Dry	Calm (3 kph at 299).
Bend 34 km E 1147m alt. 1 hour ago	23°C	Dry	Calm (5 kph at 49).
Bend 34 km E 1164.6m alt. 2 hours ago	24°C	Dry	Calm (3 kph at 336).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	22°C	Clear	Light winds from the WNW (15 kph at 290).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	14°C	Dry	Calm (3 kph at 240).
Bend 37 km SSE 4255m alt. 1 hour ago	23°C	Dry	Calm (3 kph at 180).
Bend 37 km ESE 1158m alt. 1 hour ago	22°C	Dry	Calm (0 kph at 321).
Deschutes River Woods wx 40 km ESE 1185m alt. 48 minutes ago	23°C	Dry	Calm (5 kph at 323).
Rainbow wx 41 km WSW 410m alt. 53 minutes ago	13°C	Dry	Fresh winds from the SSW (29 kph at 213).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	24°C	Dry	Calm (2 kph at 91).

* 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.