– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Mon 13 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Mon 13 Apr 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 Wed morning. Temperatures will be below freezing (max -2°C on Tue morning, min -13°C on Wed night). Winds increasing (moderate winds from the NW on Mon night, severe gales from the WSW by Wed morning).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 1°C on Sat afternoon, min -12°C on Thu morning). Winds decreasing (strong winds from the NW on Thu morning, light winds from the WNW by Fri afternoon).
	Monday 13			Tuesday 14			Wednesday 15			Thursday 16			Friday 17			Saturday 18
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	some clouds	cloudy	light snow	mod. snow	heavy snow	mod. snow	mod. snow	light snow	snow shwrs	some clouds	some clouds	cloudy	some clouds	clear	some clouds	light snow
km/h	W	NW	WNW	W	WSW	WSW	W	W	WNW	NW	NW	NNW	NW	W	W	SW	SSW	SSW
See all weather maps
cm	2	1	—	—	1	10	17	6	7	1	1	—	—	—	—	—	—	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-4	-3	-2	-2	-5	-5	-11	-13	-10	-8	-7	-4	-3	-4	-1	1	0
min °C	-6	-5	-3	-3	-4	-5	-9	-12	-13	-12	-9	-7	-7	-3	-4	-3	0	-2
chill °C	-16	-14	-10	-11	-15	-16	-21	-25	-25	-24	-18	-16	-14	-7	-9	-8	-5	-8

Freezing level m	1600	1650	1100	2050	1700	1400	1250	900	600	1100	1300	900	1650	1950	1400	2300	2550	2200
Cloud base (m)	1800	1800	1800	1850	2100	1800	1800	1800	1800	1800	1800	1800	1800	1800	2700	2000	2550	2000

	6:26	—	—	6:24	—	—	6:24	—	—	6:22	—	—	6:20	—	—	6:18	—	—
	—	7:47	—	—	7:49	—	—	7:50	—	—	7:52	—	—	7:52	—	—	7:53	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -2°C on Tue morning, min -13°C on Wed night). Winds increasing (moderate winds from the NW on Mon night, severe gales from the WSW by Wed morning).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 1°C on Sat afternoon, min -12°C on Thu morning). Winds decreasing (strong winds from the NW on Thu morning, light winds from the WNW by Fri afternoon).

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	9° C	Dry	Calm (3 kph at 225).
Bend 34 km E 1164.6m alt. 30 minutes ago	9° C	Dry	Calm (3 kph at 6).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7° C	Dry and partly cloudy.	Moderate winds from the SSW (22 kph at 210).	16 km Low: broken
Black Butte Ranch wx 36 km NW 1429m alt. 44 minutes ago	3° C	Dry	Light winds from the WNW (10 kph at 294).
Bend 37 km SSE 1297m alt. 40 minutes ago	6° C	Dry	Wind obs. (6 kph from 229 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 327).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	7° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 56 minutes ago	1° C	-	Light winds from the SSW (18 kph at 207).
Cloverdale wx 42 km NE 947m alt. 44 minutes ago	11° C	Dry	Calm (3 kph at 76).
La Pine 43 km SSE 1298m alt. 2 hours ago	5° C	Dry	Calm (2 kph at 29).

* 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.