– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sun 17 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sun 17 May 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 1°C on Tue night, min -9°C on Sun afternoon). Winds decreasing (fresh winds from the NNE on Sun afternoon, light winds from the NW by Mon afternoon).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min 0°C on Wed afternoon). Winds increasing (calm on Wed afternoon, strong winds from the NW by Fri night).
	Sun 17		Monday 18			Tuesday 19			Wednesday 20			Thursday 21			Friday 22
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level m	2250	1650	2450	2550	2150	2800	3050	3150	3150	3400	3500	3300	3600	3700	3650	3850	3650
Cloud base (m)	2750		5850	2950	1750	2400	2800	1750	2050	3250		6600	3600	8650		9300	6950

	—	—	5:37	—	—	5:35	—	—	5:35	—	—	5:35	—	—	5:33	—	—
	—	8:28	—	—	8:29	—	—	8:30	—	—	8:30	—	—	8:31	—	—	8:32

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 1°C on Tue night, min -9°C on Sun afternoon). Winds decreasing (fresh winds from the NNE on Sun afternoon, light winds from the NW by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min 0°C on Wed afternoon). Winds increasing (calm on Wed afternoon, strong winds from the NW by Fri 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. 47 minutes ago	7° C	Dry	Calm (0 kph at 273).
Bend 34 km E 1147m alt. 44 minutes ago	9° C	Dry	Calm (5 kph at 19).
Bend 34 km E 1164.6m alt. 2 hours ago	10° C	Dry	Calm (5 kph at 329).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	10° C	Clear	Moderate winds from the N (22 kph at 10).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 346).
Bend 37 km SSE 1297m alt. 1 hour ago	7° C	Dry	Calm (2 kph at 274).
Bend 37 km ESE 1158m alt. 57 minutes ago	10° C	Dry	Calm (2 kph at 321).
Camp Sherman 39 km NNE 920.5m alt. 55 minutes ago	7° C	Dry	Calm (0 kph at 357).
Deschutes River Woods wx 40 km ESE 1185m alt. 45 minutes ago	9° C	Dry	Calm (3 kph at 326).
Rainbow wx 41 km WSW 410m alt. 57 minutes ago	6° C	Dry	Light winds from the WNW (13 kph at 293).

* 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.