– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Thu 25 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Thu 25 Jun Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 9°C on Thu afternoon, min -4°C on Sat morning). Winds decreasing (strong winds from the WSW on Thu night, light winds from the NNW by Sat night).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 7°C on Tue afternoon, min 0°C on Wed morning). Wind will be generally light.
	Thu 25		Friday 26			Saturday 27			Sunday 28			Monday 29			Tuesday 30
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light rain	light snow	cloudy	cloudy	light snow	light snow	cloudy	some clouds	rain shwrs	light rain	light rain	light rain	rain shwrs	clear	clear	some clouds
km/h	WSW	W	WSW	W	W	W	NW	NNW	NNW	NW	NNW	NW	NW	NNW	NNW	W	WNW
See all weather maps
cm	—	—	1	—	—	1	1	—	—	—	—	—	—	—	—	—	—
mm	—	2	—	—	—	—	—	—	—	0.2	0.4	0.1	0.1	0.1	—	—	—
max °C	9	6	2	2	1	-4	-2	-1	2	4	4	4	4	4	5	7	5
min °C	7	2	2	1	-2	-4	-3	-2	0	3	3	4	4	3	3	6	1
chill °C	2	-4	-4	-6	-9	-12	-10	-8	-6	-2	-2	-1	0	-2	-2	3	-4

Freezing level m	3550	3200	2750	2700	2250	1900	2100	2150	2950	3400	3600	3450	3550	3650	3400	3450	3050
Cloud base (m)	3500	1800	1800	1800	1800	1800	1800	1800	1800	1900	1800	1850	1800	1800			1800

	—	—	5:24	—	—	5:24	—	—	5:26	—	—	5:26	—	—	5:26	—	—
	—	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: Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 9°C on Thu afternoon, min -4°C on Sat morning). Winds decreasing (strong winds from the WSW on Thu night, light winds from the NNW by Sat night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 7°C on Tue afternoon, min 0°C on Wed morning). Wind will be generally light.

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. 49 minutes ago	17° C	Dry	Calm (3 kph at 305).
Bend 34 km E 1147m alt. 34 minutes ago	18° C	Dry	Calm (3 kph at 192).
Bend 34 km E 1164.6m alt. 1 hour ago	19° C	Dry	Calm (2 kph at 267).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	17° C	Dry and cloudy.	Moderate winds from the SW (22 kph at 230).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	11° C	Dry	Calm (5 kph at 250).
Bend 37 km SSE 1297m alt. 1 hour ago	16° C	Dry	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 49 minutes ago	19° C	Dry	Calm (2 kph at 147).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	18° C	Dry	Calm (2 kph at 177).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	18° C	Dry	Calm (3 kph at 246).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	11° C	Dry	Light winds from the WSW (8 kph at 255).

* 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.