– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Fri 22 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Fri 22 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. Very mild (max 10°C on Sat afternoon, min 6°C on Fri night). Winds increasing (light winds from the WNW on Fri afternoon, near gales from the SW by Mon morning).											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 9°C on Thu morning, min -7°C on Mon night). Winds decreasing (gales from the SW on Mon night, calm by Wed night).
	Fri 22		Saturday 23			Sunday 24			Monday 25			Tuesday 26			Wednesday 27
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	light snow	some clouds	light snow	some clouds	some clouds	some clouds	clear
km/h	WNW	WSW	WNW	W	W	WSW	WSW	SW	SSW	SW	WSW	N	NNW	N	NNE	NE	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	1	—	2	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	9	8	9	10	8	8	9	8	7	5	-1	-4	-3	-1	1	4	5
min °C	9	6	7	9	6	7	9	6	6	2	-7	-5	-3	-4	0	2	4
chill °C	8	3	4	7	3	4	6	0	0	-6	-14	-11	-6	-11	-6	-2	0

Freezing level m	3650	3600	3650	3900	3750	3600	3700	3800	3300	2950	1600	2000	2100	2000	2700	3200	3850
Cloud base (m)	3850	8700			8800	8900	9100	9450		2500	1800	1850	1850	1800	1850	2050	9400

	—	—	5:33	—	—	5:31	—	—	5:31	—	—	5:30	—	—	5:30	—	—
	—	8:32	—	—	8:34	—	—	8:35	—	—	8:36	—	—	8:37	—	—	8:37

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 10°C on Sat afternoon, min 6°C on Fri night). Winds increasing (light winds from the WNW on Fri afternoon, near gales from the SW by Mon morning).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 9°C on Thu morning, min -7°C on Mon night). Winds decreasing (gales from the SW on Mon night, calm by Wed night).

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	25° C	Dry	Calm (2 kph at 320).
Bend 34 km E 1147m alt. 2 hours ago	25° C	Dry	Calm (3 kph at 41).
Bend 34 km E 1164.6m alt. 1 hour ago	28° C	Dry	Calm (5 kph at 356).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	21° C	Dry and partly cloudy.	Light winds from the N (11 kph at 0).	11 km Low: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 56 minutes ago	19° C	Dry	Wind obs. (10 kph from 243 degs) was rejected.
Bend 37 km SSE 1297m alt. 43 minutes ago	24° C	Dry	Wind obs. (10 kph from 360 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	26° C	Dry	Calm (2 kph at 332).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	26° C	Dry	Calm (3 kph at 6).
Deschutes River Woods wx 40 km ESE 1185m alt. 55 minutes ago	24° C	Dry	Calm (3 kph at 299).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	19° C	Dry	Light winds from the WSW (19 kph at 251).

* 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.