– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Tue 19 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Tue 19 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 4°C on Fri afternoon, min -1°C on Tue night). Mainly fresh winds.										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min -2°C on Mon afternoon). Winds increasing (light winds from the WSW on Sat afternoon, gales from the SW by Mon morning).
		Wednesday 20			Thursday 21			Friday 22			Saturday 23			Sunday 24			Monday 25
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	some clouds	some clouds	clear	some clouds	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	some clouds	some clouds	snow shwrs
km/h	NW	NW	SE	N	ENE	WNW	WNW	WSW	SW	W	W	WSW	W	WSW	SW	SW	SW	SW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	-1	1	3	2	3	3	2	4	5	4	5	5	4	4	5	2	-1	-5
min °C	-1	-1	0	1	0	2	2	2	3	5	4	5	4	3	4	3	1	-2	-9
chill °C	-7	-5	0	-2	0	2	0	-1	1	1	0	2	-1	-2	0	-5	-8	-12	-20

Freezing level m	3100	3000	3300	3500	3250	3600	3550	3400	3750	3900	3750	3900	3800	3700	3850	3900	3300	2750	1500
Cloud base (m)	1800	1800	3300	6650	5850	4000						7300					6900	3150	1800

	—	5:35	—	—	5:35	—	—	5:33	—	—	5:33	—	—	5:31	—	—	5:31	—	—
	—	—	—	8:30	—	—	8:31	—	—	8:32	—	—	8:34	—	—	8:35	—	—	8:36

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 4°C on Fri afternoon, min -1°C on Tue night). Mainly fresh winds.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min -2°C on Mon afternoon). Winds increasing (light winds from the WSW on Sat afternoon, gales from the SW by Mon morning).

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. 42 minutes ago	6° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 36 minutes ago	6° C	Dry	Calm (0 kph at 304).
Bend 34 km E 1164.6m alt. 42 minutes ago	9° C	Dry	Calm (0 kph at 56).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	4° C	Clear	Wind obs. (6 kph from 360 degs) was rejected.	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4° C	Dry	Calm (3 kph at 285).
Bend 37 km SSE 1297m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 52 minutes ago	9° C	Dry	Calm (0 kph at 340).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 118).
Deschutes River Woods wx 40 km ESE 1185m alt. 37 minutes ago	6° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 54 minutes ago	8° C	Dry	Calm (2 kph at 223).

* 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.