– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Sat 19 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sat 19 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 13°C on Sun afternoon, min 7°C on Mon night). Wind will be generally light.										Days 5–7 Weather Summary Some drizzle, heaviest during Thu night. Freeze-thaw conditions (max 9°C on Thu morning, min -3°C on Fri morning). Winds increasing (light winds from the WSW on Wed morning, near gales from the SSW by Thu night).
		Sunday 20			Monday 21			Tuesday 22			Wednesday 23			Thursday 24
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	some clouds	cloudy	clear	clear	cloudy	cloudy	clear	some clouds	some clouds	light rain
Cloud base (m)				9400		7300	9500	6800		9550	6150	4850	4500			1800
km/h	SW	SE	SE	SSW	SW	SW	WSW	WSW	W	WSW	SW	SW	SW	SW	SSW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1.9
max °C	9	12	13	11	12	12	9	8	9	6	8	8	7	9	9	7
min °C	9	10	13	10	10	12	7	7	8	5	6	8	6	7	9	0
chill °C	9	10	13	9	9	11	4	4	5	1	3	4	2	3	6	-7

Freezing level m	4050	4150	4200	4150	4050	4100	4000	3800	3700	3750	3750	3700	3850	3700	3650	3000

	—	6:50	—	—	6:52	—	—	6:52	—	—	6:54	—	—	6:56	—	—
	—	—	7:07	—	—	7:06	—	—	7:05	—	—	7:02	—	—	7:00	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 13°C on Sun afternoon, min 7°C on Mon night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

Some drizzle, heaviest during Thu night. Freeze-thaw conditions (max 9°C on Thu morning, min -3°C on Fri morning). Winds increasing (light winds from the WSW on Wed morning, near gales from the SSW by Thu 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 44 minutes ago	8°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 28 minutes ago	9°C	Dry	Calm (0 kph at 328).
Bend 34 km E 1164.6m alt. 43 minutes ago	13°C	Dry	Calm (3 kph at 117).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	5°C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 27 minutes ago	7°C	Dry	Calm (0 kph at 32).
Bend 37 km SSE 1297m alt. 1 hour ago	1°C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 43 minutes ago	9°C	Dry	Calm (0 kph at 327).
Deschutes River Woods wx 40 km ESE 1185m alt. 31 minutes ago	6°C	Dry	Calm (2 kph at 298).
Rainbow wx 41 km WSW 410m alt. 52 minutes ago	15°C	Dry	Light winds from the ENE (14 kph at 78).
Cloverdale wx 42 km NE 947m alt. 57 minutes ago	7°C	Dry	Calm (0 kph at 246).

* 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.