– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 pm Sat 26 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sat 26 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 4°C on Mon night, min -1°C on Sun afternoon). Winds increasing (calm on Sun morning, strong winds from the WNW by Tue afternoon).										Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 9°C on Wed night, min 3°C on Tue night). Winds increasing (light winds from the WSW on Wed afternoon, near gales from the SW by Thu night).
		Sunday 27			Monday 28			Tuesday 29			Wednesday 30			Thursday 1
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	cloudy
Cloud base (m)	5700	5950	3550		7100	6100	7150	9400	8950			9200			8400	6850
km/h	SSW	S	WNW	WNW	NW	W	NW	WNW	WNW	WNW	WNW	SW	WSW	SW	SW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	0	0	0	1	2	4	4	4	4	6	6	9	9	8	9
min °C	0	0	-1	0	1	2	3	4	4	3	5	5	8	9	8	8
chill °C	-6	-3	-5	-4	-3	0	-2	-2	-2	-4	0	3	4	6	4	3

Freezing level m	3250	3200	3050	3150	3350	3550	3800	3950	3900	3800	4150	4200	4500	4500	4350	4300

	—	6:58	—	—	7:00	—	—	7:01	—	—	7:03	—	—	7:03	—	—
	—	—	6:54	—	—	6:53	—	—	6:52	—	—	6:50	—	—	6:47	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 4°C on Mon night, min -1°C on Sun afternoon). Winds increasing (calm on Sun morning, strong winds from the WNW by Tue afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Wed night, min 3°C on Tue night). Winds increasing (light winds from the WSW on Wed afternoon, near gales from the SW by Thu 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	3°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 38 minutes ago	7°C	Dry	Calm (2 kph at 301).
Bend 34 km E 1164.6m alt. 43 minutes ago	9°C	Dry	Calm (0 kph at 53).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7°C	Clear	Light winds from the NE (13 kph at 40).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4°C	Dry	Calm (3 kph at 210).
Bend 37 km SSE 1297m alt. 38 minutes ago	6°C	Dry	Calm (2 kph at 222).
Bend 37 km ESE 1158m alt. 55 minutes ago	8°C	Dry	Calm (0 kph at 325).
Deschutes River Woods wx 40 km ESE 1185m alt. 42 minutes ago	4°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	9°C	Dry	Moderate winds from the NE (24 kph at 49).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	5°C	Dry	Calm (0 kph at 71).

* 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.