– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Fri 15 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Fri 15 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -1°C on Fri morning, min -9°C on Sat morning). Winds decreasing (near gales from the W on Fri night, light winds from the N by Sun night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 8°C on Wed afternoon, min -2°C on Mon morning). Winds increasing (light winds from the NW on Mon morning, fresh winds from the NW by Mon night).
	Friday 15			Saturday 16			Sunday 17			Monday 18			Tuesday 19			Wednesday 20
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	mod. snow	light snow	light snow	mod. snow	clear	some clouds	some clouds	clear	clear	clear	some clouds	clear	some clouds	some clouds	clear	clear
km/h	W	W	W	WNW	WNW	NW	NNE	NNE	NW	NW	NW	NW	NNW	NW	NNW	NW	WNW	W
See all weather maps
cm	—	—	7	2	3	8	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-1	-4	-8	-7	-7	-4	-2	-2	-1	2	1	2	5	3	6	8	7
min °C	-2	-2	-8	-9	-7	-9	-6	-3	-3	-2	1	-1	0	4	2	4	8	4
chill °C	-10	-11	-19	-20	-17	-19	-14	-8	-8	-6	-3	-7	-7	1	-3	0	6	-1

Freezing level m	2400	2250	1550	1550	1600	1050	1900	2300	1900	2400	2700	2200	2800	3200	3500	3500	3750	3650
Cloud base (m)	8900	2500	1800	1800	1800	1800	1800	2100	2300	2000	2400	1850	1950	9250		7300	8600

	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—	5:35	—	—	5:35	—	—
	—	—	8:25	—	—	8:27	—	—	8:28	—	—	8:29	—	—	8:30	—	—	8:30

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -1°C on Fri morning, min -9°C on Sat morning). Winds decreasing (near gales from the W on Fri night, light winds from the N by Sun night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 8°C on Wed afternoon, min -2°C on Mon morning). Winds increasing (light winds from the NW on Mon morning, fresh winds from the NW by Mon 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	6° C	Dry	Calm (3 kph at 5).
Bend 34 km E 1147m alt. 56 minutes ago	4° C	Dry	Calm (2 kph at 267).
Bend 34 km E 1164.6m alt. 27 minutes ago	5° C	Dry	Calm (3 kph at 228).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago		Light rain .	Moderate winds from the SW (20 kph at 220).	16 km
Bend 37 km SSE 1297m alt. 40 minutes ago	4° C	Dry	Calm (3 kph at 323).
Bend 37 km ESE 1158m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 177).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 184).
Deschutes River Woods wx 40 km ESE 1185m alt. 56 minutes ago	5° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	2° C	-	Light winds from the S (13 kph at 180).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	6° C	Dry	Calm (2 kph at 252).

* 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.