– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Mon 09 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Mon 09 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Tue morning. Temperatures will be below freezing (max -1°C on Wed afternoon, min -13°C on Mon night). Winds increasing (strong winds from the W on Tue afternoon, severe gales from the W by Wed night).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 1°C on Fri morning, min -2°C on Fri night). Winds decreasing (severe gales from the W on Fri night, moderate winds from the NW by Sat night).
	Monday 9			Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	light snow	light snow	light snow	light snow	cloudy	light snow	cloudy	cloudy	cloudy	some clouds	cloudy	cloudy	mod. snow	some clouds	clear	some clouds
km/h	WNW	W	W	W	W	WNW	W	W	W	W	W	W	W	W	W	WNW	NW	WNW
See all weather maps
cm	—	—	3	3	2	3	—	1	—	—	—	—	—	—	8	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-6	-9	-13	-11	-6	-3	-1	-1	0	0	0	1	1	0	-1	-1	1
min °C	-7	-7	-13	-13	-12	-10	-6	-2	-1	-1	0	0	0	1	-2	-2	-1	-2
chill °C	-18	-18	-26	-26	-23	-22	-17	-12	-11	-11	-10	-9	-9	-8	-12	-11	-9	-9

Freezing level m	1150	1300	700	900	1100	1000	1650	2000	2150	2350	2400	2650	2800	2700	2250	1700	2300	2250
Cloud base (m)	1800	1850	1800	1850	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	9050	7050

	7:30	—	—	7:28	—	—	7:26	—	—	7:24	—	—	7:22	—	—	7:20	—	—
	—	7:05	—	—	7:06	—	—	7:07	—	—	7:08	—	—	7:09	—	—	7:10	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Tue morning. Temperatures will be below freezing (max -1°C on Wed afternoon, min -13°C on Mon night). Winds increasing (strong winds from the W on Tue afternoon, severe gales from the W by Wed night).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 1°C on Fri morning, min -2°C on Fri night). Winds decreasing (severe gales from the W on Fri night, moderate winds from the NW by Sat 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 (5 kph at 304).
Sunriver 34 km SE 1242m alt. 38 minutes ago		Dry
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	5° C	Clear	Light winds from the WSW (17 kph at 240).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 30 minutes ago	3° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 43 minutes ago	5° C	Dry	Wind obs. (6 kph from 360 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 27).
Bend wx 39 km E 1118m alt. 47 minutes ago	8° C	Dry	Wind obs. (8 kph from 72 degs) was rejected.
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	5° C	Dry	Wind obs. (6 kph from 8 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	7° C	Dry	Calm (3 kph at 152).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	7° C	Dry	Wind obs. (6 kph from 284 degs) was rejected.

* 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.