– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 am Thu 17 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Thu 17 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Some drizzle, heaviest during Thu afternoon. Mild temperatures (max 7°C on Sat night, min 1°C on Thu afternoon). Winds decreasing (strong winds from the N on Thu night, calm by Sat afternoon).									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 7°C on Sun morning, min 1°C on Tue morning). Winds increasing (calm on Sun afternoon, strong winds from the W by Mon night).
	Thursday 17			Friday 18			Saturday 19			Sunday 20			Monday 21			Tuesday 22
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	light rain	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	3200	2500				9550	9350	9350	9550	8600	8600						9050	8950
km/h	NNE	NNW	N	NW	NW	N	NNW	SE	WSW	SSW	ESE	SW	SW	WSW	WSW	WNW	SW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.4	0.5	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	3	4	3	4	6	6	6	7	7	7	7	6	5	6	1	1	3
min °C	3	1	3	3	3	4	6	5	7	7	7	6	5	5	2	1	1	1
chill °C	-2	-4	-3	-2	0	0	4	5	6	7	7	2	0	0	-5	-6	-2	-4

Freezing level m	3650	3350	3650	3650	3850	4000	4050	4050	4150	4150	4150	4100	3950	3900	3750	3250	3300	3550

	6:48	—	—	6:48	—	—	6:50	—	—	6:50	—	—	6:52	—	—	6:52	—	—
	—	7:14	—	—	7:12	—	—	7:09	—	—	7:07	—	—	7:06	—	—	7:05	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Some drizzle, heaviest during Thu afternoon. Mild temperatures (max 7°C on Sat night, min 1°C on Thu afternoon). Winds decreasing (strong winds from the N on Thu night, calm by Sat afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 7°C on Sun morning, min 1°C on Tue morning). Winds increasing (calm on Sun afternoon, strong winds from the W by Mon 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. 2 hours ago	7°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 59 minutes ago	13°C	Dry	Calm (5 kph at 1).
Bend 34 km E 1164.6m alt. 2 hours ago	13°C	Dry	Calm (3 kph at 30).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	8°C	Dry and cloudy.	Light winds from the S (13 kph at 190).	16 km Low: few Mid: scattered High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	9°C	Dry	Wind obs. (6 kph from 90 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	6°C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	12°C	Dry	Calm (0 kph at 319).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 73).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	12°C	Dry	Moderate winds from the ENE (23 kph at 59).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	11°C	Dry	Calm (0 kph at 231).

* 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.