– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Mon 18 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 18 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 3°C on Wed night, min -5°C on Mon afternoon). Winds decreasing (fresh winds from the NNW on Mon night, calm by Thu morning).											Days 5–7 Weather Summary Mostly dry. Mild temperatures (max 5°C on Fri afternoon, min 3°C on Thu afternoon). Winds increasing (calm on Fri afternoon, fresh winds from the WSW by Sat afternoon).
	Mon 18		Tuesday 19			Wednesday 20			Thursday 21			Friday 22			Saturday 23
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	WNW	NNW	NW	WNW	NW	N	ENE	NNW	N	NNW	NW	SW	S	SW	SW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-3	-3	-2	0	0	1	3	2	3	3	3	5	5	4	4	5
min °C	-5	-4	-3	-3	-1	-1	0	2	1	3	3	3	4	5	4	4	4
chill °C	-10	-9	-10	-7	-7	-4	0	-2	1	3	2	1	4	3	-2	-1	-1

Freezing level m	2600	2200	2750	2950	3100	3050	3300	3550	3400	3650	3650	3600	3900	3900	3700	3800	3800
Cloud base (m)	3200	8500		2750	1750	9100	3400			3750			4000			6350

	—	—	5:35	—	—	5:35	—	—	5:35	—	—	5:33	—	—	5:33	—	—
	—	8:29	—	—	8:30	—	—	8:30	—	—	8:31	—	—	8:32	—	—	8:34

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 3°C on Wed night, min -5°C on Mon afternoon). Winds decreasing (fresh winds from the NNW on Mon night, calm by Thu morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Mild temperatures (max 5°C on Fri afternoon, min 3°C on Thu afternoon). Winds increasing (calm on Fri afternoon, fresh winds from the WSW by Sat 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	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 276).
Bend 34 km E 1147m alt. 57 minutes ago	10° C	Dry	Calm (5 kph at 33).
Bend 34 km E 1164.6m alt. 59 minutes ago	11° C	Dry	Calm (3 kph at 9).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	6° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 305).
Bend 37 km SSE 1297m alt. 45 minutes ago	8° C	Dry	Calm (0 kph at 239).
Bend 37 km ESE 1158m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 325).
Camp Sherman 39 km NNE 920.5m alt. 42 minutes ago	6° C	Dry	Calm (0 kph at 3).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	10° C	Dry	Calm (2 kph at 335).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8° C	Dry	Light winds from the NW (10 kph at 320).

* 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.