– Lat/Long: 44.10° N 121.77° W

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

Issued: 10 am Sat 23 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 9°C on Sat afternoon, min -7°C on Mon night). Mainly near gales.									Days 4–6 Weather Summary A dusting of snow turning to light rain (total 6mm) on Thu night. Freeze-thaw conditions (max 9°C on Thu morning, min -5°C on Tue morning). Winds increasing (light winds from the NW on Tue morning, fresh winds from the NE by Wed morning).
	Saturday 23			Sunday 24			Monday 25			Tuesday 26			Wednesday 27			Thursday 28
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	clear	clear	some clouds	some clouds	snow shwrs	some clouds	light snow	cloudy	some clouds	clear	some clouds	some clouds	risk tstorm	light rain
km/h	W	W	W	WSW	WSW	SW	SW	SW	WSW	NNW	NW	NNE	NE	NNE	ENE	NE	NNW	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	1	—	2	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	5
max °C	8	9	8	8	9	8	6	4	-2	-4	-3	-2	2	6	7	9	9	6
min °C	7	9	5	7	9	6	6	0	-7	-5	-3	-4	-1	5	6	7	8	3
chill °C	4	7	2	4	6	1	0	-8	-15	-8	-6	-10	-8	0	2	4	6	-1

Freezing level m	3650	3800	3750	3500	3650	3750	3150	2600	1600	2000	2050	1950	3000	3250	3750	3550	3600	3350
Cloud base (m)			9400		8100	9350	6250	2450	1800	1850	1850	1800	1850	2750			3350	1850

	5:33	—	—	5:31	—	—	5:31	—	—	5:30	—	—	5:30	—	—	5:28	—	—
	—	—	8:34	—	—	8:35	—	—	8:36	—	—	8:37	—	—	8:37	—	—	8:38

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 9°C on Sat afternoon, min -7°C on Mon night). Mainly near gales.

South Sister Volcano Weather (Days 3-6):

A dusting of snow turning to light rain (total 6mm) on Thu night. Freeze-thaw conditions (max 9°C on Thu morning, min -5°C on Tue morning). Winds increasing (light winds from the NW on Tue morning, fresh winds from the NE by Wed morning).

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 (3 kph at 270).
Bend 34 km E 1147m alt. 51 minutes ago	24° C	Dry	Calm (3 kph at 324).
Bend 34 km E 1164.6m alt. 56 minutes ago	26° C	Dry	Calm (3 kph at 333).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	23° C	Clear	Wind obs. (24 kph from 200 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 33 minutes ago	19° C	Dry	Light winds from the WNW (8 kph at 287).
Bend 37 km SSE 1297m alt. 34 minutes ago	26° C	Dry	Wind obs. (6 kph from 360 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	26° C	Dry	Calm (0 kph at 247).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	26° C	Dry	Calm (5 kph at 180).
Deschutes River Woods wx 40 km ESE 1185m alt. 53 minutes ago	24° C	Dry	Calm (3 kph at 79).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	16° C	Dry	Light winds from the W (18 kph at 261).

* 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.