– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Sat 16 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sat 16 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 1°C on Mon afternoon, min -9°C on Sat night). Winds decreasing (strong winds from the W on Sat morning, light winds from the NNW by Sun night).									Days 4–6 Weather Summary Mostly dry. Very mild (max 10°C on Thu afternoon, min 1°C on Tue morning). Wind will be generally light.
	Saturday 16			Sunday 17			Monday 18			Tuesday 19			Wednesday 20			Thursday 21
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	heavy snow	clear	some clouds	some clouds	cloudy	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	WNW	W	NW	NNE	NNE	NE	NW	WNW	NW	NW	NW	NW	N	N	N	WNW	NW	W
See all weather maps
cm	2	3	11	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-6	-7	-5	-2	-2	-1	1	0	3	5	4	4	7	6	8	10	8
min °C	-8	-7	-9	-7	-4	-2	-1	0	-1	1	4	2	3	6	5	6	9	6
chill °C	-18	-16	-19	-16	-11	-9	-4	-3	-6	-4	0	-3	0	6	4	6	9	3

Freezing level m	1500	1700	1150	1750	2250	1650	2450	2550	2150	2850	3250	3300	3050	3350	3550	3500	3700	3800
Cloud base (m)	1800	1800	1800	1800	2250		5300	2800		8600	9150	1800		9400

	5:39	—	—	5:37	—	—	5:37	—	—	5:35	—	—	5:35	—	—	5:35	—	—
	—	—	8:27	—	—	8:28	—	—	8:29	—	—	8:30	—	—	8:30	—	—	8:31

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 1°C on Mon afternoon, min -9°C on Sat night). Winds decreasing (strong winds from the W on Sat morning, light winds from the NNW by Sun night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 10°C on Thu afternoon, min 1°C on Tue 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. 1 hour ago	9° C	Dry	Calm (3 kph at 280).
Bend 34 km E 1147m alt. 1 hour ago	10° C	Dry	Wind obs. (6 kph from 347 degs) was rejected.
Bend 34 km E 1164.6m alt. 1 hour ago	12° C	Dry	Calm (5 kph at 224).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	8° C	-	Moderate winds from the W (20 kph at 260).	14 km Low: few Mid: few
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	2° C	-	Light winds from the WNW (10 kph at 294).
Bend 37 km SSE 1297m alt. 56 minutes ago	8° C	Dry	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	13° C	Dry	Calm (2 kph at 213).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	9° C	Dry	Calm (3 kph at 125).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	11° C	Dry	Wind obs. (8 kph from 273 degs) was rejected.
Rainbow wx 41 km WSW 410m alt. 1 hour ago	3° C	Dry	Light winds from the S (16 kph at 173).

* 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.