– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Mon 23 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Mon 23 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -2°C on Thu afternoon, min -11°C on Tue night). Winds decreasing (stormy winds from the WSW on Tue night, light winds from the NW by Wed night).										Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max 0°C on Fri night, min -7°C on Sat night). Winds decreasing (near gales from the WSW on Sat afternoon, light winds from the NW by Sun afternoon).
		Tuesday 24			Wednesday 25			Thursday 26			Friday 27			Saturday 28			Sunday 1
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy snow	mod. snow	light snow	heavy snow	some clouds	clear	clear	cloudy	some clouds	some clouds	clear	clear	some clouds	cloudy	cloudy	some clouds	light snow	cloudy	clear
km/h	WSW	WSW	WSW	WSW	W	WNW	NW	WNW	W	WNW	WNW	NW	WNW	SW	WSW	WSW	WSW	W	NNE
See all weather maps
cm	15	6	2	13	—	—	—	—	—	—	—	—	—	—	—	—	1	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-4	-5	-6	-10	-8	-5	-3	-2	-2	-2	-1	0	-1	-4	-5	-7	-6	-4
min °C	-5	-5	-5	-11	-11	-9	-8	-4	-3	-2	-2	-2	-1	-4	-4	-7	-7	-7	-6
chill °C	-15	-17	-17	-25	-24	-20	-17	-9	-10	-10	-10	-10	-6	-11	-14	-16	-15	-13	-11

Freezing level m	2000	2200	2300	1800	1300	1400	350	1950	2150	1150	2600	2800	3050	2900	2450	2150	2200	2200	1800
Cloud base (m)	1800	1800	1800	1800	1850	1850			1800		8400			5450	2600	2200	2000	2100	1900

	—	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—	6:45	—	—	6:43	—	—
	—	—	5:49	—	—	5:50	—	—	5:51	—	—	5:52	—	—	5:53	—	—	5:54	—

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 -2°C on Thu afternoon, min -11°C on Tue night). Winds decreasing (stormy winds from the WSW on Tue night, light winds from the NW by Wed night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max 0°C on Fri night, min -7°C on Sat night). Winds decreasing (near gales from the WSW on Sat afternoon, light winds from the NW by Sun afternoon).

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	3° C	Dry	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 43 minutes ago	3° C	Dry	Light winds from the SSW (11 kph at 204).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	0° C	Light snow.	Light winds from the S (13 kph at 190).	2 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 165).
Bend wx 39 km E 1118m alt. 2 hours ago	4° C	Dry	Light winds from the SSW (8 kph at 213).
Camp Sherman 39 km NNE 920.5m alt. 3 hours ago	4° C	Dry	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 49 minutes ago	2° C	-	Calm (3 kph at 210).

* 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.