– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Sun 21 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sun 21 Jun Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Mild temperatures (max 8°C on Mon afternoon, min 4°C on Wed morning). Wind will be generally light.										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Sat morning. Freeze-thaw conditions (max 5°C on Wed night, min -9°C on Sat morning). Winds increasing (moderate winds from the W on Wed night, gales from the WSW by Fri afternoon).
		Monday 22			Tuesday 23			Wednesday 24			Thursday 25			Friday 26			Saturday 27
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	clear	clear	some clouds	some clouds	some clouds	some clouds	light rain	cloudy	clear	snow shwrs	light snow	snow shwrs	clear
km/h	W	SW	WNW	SSW	SSW	W	S	SSW	SW	WNW	W	W	W	WSW	WSW	WNW	WNW	NW	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4	5	1	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	0.8	—	—	—	—	—	—
max °C	7	6	8	8	7	7	6	4	5	5	4	4	4	-1	-1	-3	-8	-5	1
min °C	5	5	7	6	7	7	5	4	5	4	4	4	0	-2	-2	-8	-9	-7	-3
chill °C	3	4	6	6	3	5	2	0	2	0	0	-1	-9	-12	-12	-20	-21	-18	-13

Freezing level m	4150	3950	4300	4250	4100	4200	3950	3800	3850	3950	3850	4000	3600	2800	2900	2150	1950	2350	3200
Cloud base (m)		9250				6500			6100	9150	5900		1850	1800	1850	1800	1800	1850	1800

	—	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—	5:24	—	—
	—	—	—	8:53	—	—	8:53	—	—	8:53	—	—	8:53	—	—	8:53	—	—	8:53

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 8°C on Mon afternoon, min 4°C on Wed morning). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sat morning. Freeze-thaw conditions (max 5°C on Wed night, min -9°C on Sat morning). Winds increasing (moderate winds from the W on Wed night, gales from the WSW by Fri 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
Sisters wx 25 km NNE 1022m alt. 54 minutes ago	10° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 37 minutes ago	12° C	Dry	Calm (0 kph at 285).
Bend 34 km E 1164.6m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 86).
Black Butte Ranch wx 36 km NW 1429m alt. 50 minutes ago	4° C	Dry	Calm (0 kph at 307).
Bend 37 km SSE 1297m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 54 minutes ago	15° C	Dry	Calm (0 kph at 292).
Camp Sherman 39 km NNE 920.5m alt. 52 minutes ago	10° C	Dry	Calm (0 kph at 350).
Deschutes River Woods wx 40 km ESE 1185m alt. 39 minutes ago	10° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 0).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	12° C	Dry	Calm (0 kph at 295).

* 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.