– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Sat 23 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sat 23 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Tue afternoon. Freeze-thaw conditions (max 4°C on Sat night, min -11°C on Mon night). Winds decreasing (severe gales from the SW on Mon night, calm by Tue morning).										Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Wed night, min -7°C on Tue night). Winds decreasing (gales from the NE on Wed morning, light winds from the ENE by Thu afternoon).
		Sunday 24			Monday 25			Tuesday 26			Wednesday 27			Thursday 28			Friday 29
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	snow shwrs	some clouds	light snow	some clouds	light snow	some clouds	some clouds	some clouds	some clouds	rain shwrs	cloudy	some clouds	clear
km/h	WNW	WSW	WSW	SW	SSW	SW	WSW	N	NNW	N	ENE	NE	NE	ENE	NW	NNW	WNW	W	WSW
See all weather maps
cm	—	—	—	—	—	—	3	—	3	—	1	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.3	—	—	—
max °C	4	2	3	4	1	-1	-6	-10	-8	-6	-1	0	4	2	2	2	0	-1	-1
min °C	3	2	3	3	0	-4	-11	-11	-9	-7	-4	-2	1	1	2	2	0	-1	-2
chill °C	-2	-3	-2	-4	-9	-15	-21	-14	-14	-14	-15	-10	-6	-3	-1	-3	-7	-7	-10

Freezing level m	3650	3450	3650	3650	3150	2500	1500	1950	2050	1900	2950	3100	3600	3350	3450	3500	3100	2950	2700
Cloud base (m)	8450		9000	8950	6300	2150	1800	1850	1900	1800	1800	2100		2750	2100	1900	1850	7400	1850

	—	5:31	—	—	5:31	—	—	5:30	—	—	5:30	—	—	5:28	—	—	5:28	—	—
	—	—	—	8:35	—	—	8:36	—	—	8:37	—	—	8:37	—	—	8:38	—	—	8:39

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Tue afternoon. Freeze-thaw conditions (max 4°C on Sat night, min -11°C on Mon night). Winds decreasing (severe gales from the SW on Mon night, calm by Tue morning).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 4°C on Wed night, min -7°C on Tue night). Winds decreasing (gales from the NE on Wed morning, light winds from the ENE by Thu 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	4° C	Dry	Calm (0 kph at 256).
Bend 34 km E 1147m alt. 2 hours ago	8° C	Dry	Calm (2 kph at 16).
Bend 34 km E 1164.6m alt. 2 hours ago	12° C	Dry	Wind obs. (10 kph from 168 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	2° C	-	Calm (0 kph at 0).	16 km Low: few
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 287).
Bend 37 km SSE 1297m alt. 1 hour ago	2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 247).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 7).
Deschutes River Woods wx 40 km ESE 1185m alt. 54 minutes ago	4° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	11° C	Dry	Calm (2 kph at 237).

* 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.