– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Tue 15 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Tue 15 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. Freeze-thaw conditions (max 5°C on Wed night, min -2°C on Tue night). Mainly strong winds.										Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 8°C on Sat morning, min 5°C on Fri night). Winds increasing (calm on Sat afternoon, strong winds from the NW by Mon afternoon).
		Wednesday 16			Thursday 17			Friday 18			Saturday 19			Sunday 20
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	rain shwrs	cloudy	light rain	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	2700	2400	4400	6350		4050				9400	9450	9000	8600	8500	8450	8200
km/h	SE	ESE	ESE	ESE	NE	N	NW	NW	NW	NNW	NNW	S	SW	SSW	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	0.4	—	0.1	—	—	—	—	—	—	—	—	—	—
max °C	-2	1	3	5	4	3	3	3	5	7	8	7	8	7	7	7
min °C	-2	0	2	2	4	2	3	3	4	5	7	6	7	6	7	6
chill °C	-8	-8	-5	-4	-2	-3	-3	-2	1	2	6	6	6	4	6	2

Freezing level m	2850	3250	3500	3700	3650	3600	3600	3650	3900	4100	4250	4150	4200	4100	4150	4050

	—	6:46	—	—	6:48	—	—	6:48	—	—	6:50	—	—	6:50	—	—
	—	—	7:15	—	—	7:14	—	—	7:12	—	—	7:09	—	—	7:07	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 5°C on Wed night, min -2°C on Tue night). Mainly strong winds.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 8°C on Sat morning, min 5°C on Fri night). Winds increasing (calm on Sat afternoon, strong winds from the NW by Mon afternoon).

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. 1 hour ago	12°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	10°C	Dry	Calm (5 kph at 14).
Bend 34 km E 1164.6m alt. 1 hour ago	11°C	Dry	Calm (2 kph at 337).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	9°C	Light rain .	Light winds from the NNE (7 kph at 30).	8 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	7°C	Dry	Light winds from the ENE (10 kph at 69).
Bend 37 km SSE 1297m alt. 2 hours ago	9°C	Dry	Calm (2 kph at 124).
Bend 37 km ESE 1158m alt. 1 hour ago	11°C	Dry	Calm (0 kph at 262).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	9°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	9°C	Dry	Calm (5 kph at 331).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	12°C	Dry	Calm (0 kph at 13).

* 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.