– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Sun 22 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sun 22 Feb 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 Mon night. Temperatures will be below freezing (max -4°C on Mon night, min -14°C on Tue night). Winds decreasing (extremely windy from the SW on Sun night, gales from the WNW by Tue night).									Days 4–6 Weather Summary A dusting of new snow. Temperatures will be below freezing (max 0°C on Thu night, min -10°C on Wed morning). Winds increasing (moderate winds from the NNW on Wed morning, severe gales from the W by Fri night).
	Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	light snow	cloudy	light snow	heavy snow	mod. snow	mod. snow	snow shwrs	clear	clear	clear	some clouds	some clouds	clear	some clouds	light snow	light snow
km/h	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	W	NNW	NW	WNW	WNW	W	W	W	WSW	W
See all weather maps
cm	2	4	5	—	2	20	8	6	10	—	—	—	—	—	—	—	1	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-7	-6	-7	-5	-5	-4	-4	-5	-9	-7	-5	-2	-3	-2	0	-1	-3	-4
min °C	-7	-7	-8	-6	-6	-4	-4	-7	-14	-10	-5	-3	-3	-2	-1	-2	-3	-5
chill °C	-21	-21	-23	-19	-18	-16	-16	-21	-29	-20	-12	-10	-10	-9	-9	-10	-12	-17

Freezing level m	1950	2000	1950	2050	2150	2150	2300	2200	1200	1050	1450	850	2500	2600	3100	2900	2650	2000
Cloud base (m)	2050	1800	1800	1800	1850	1800	1800	1800	1850	1850	1800	9300				6300	2800	1800

	6:54	—	—	6:52	—	—	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—
	—	5:45	—	—	5:46	—	—	5:49	—	—	5:50	—	—	5:51	—	—	5:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -4°C on Mon night, min -14°C on Tue night). Winds decreasing (extremely windy from the SW on Sun night, gales from the WNW by Tue night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max 0°C on Thu night, min -10°C on Wed morning). Winds increasing (moderate winds from the NNW on Wed morning, severe gales from the W by Fri night).

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	10° C	Dry	Calm (3 kph at 234).
Sunriver 34 km SE 1242m alt. 53 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	10° C	Dry	Wind obs. (11 kph from 240 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	6° C	Dry and cloudy.	Moderate winds from the S (26 kph at 190).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	8° C	Dry	Wind obs. (6 kph from 0 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	11° C	Dry	Calm (3 kph at 226).
Bend wx 39 km E 1118m alt. 2 hours ago	9° C	Dry	Light winds from the SW (18 kph at 221).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 341).
Deschutes River Woods wx 40 km ESE 1185m alt. 48 minutes ago	9° C	Dry	Calm (5 kph at 202).

* 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.