– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Sun 15 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sun 15 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 morning. Temperatures will be well below freezing (max -8°C on Sun night, min -20°C on Tue morning). Winds decreasing (severe gales from the SW on Mon night, light winds from the WSW by Tue night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Wed morning. Extremely cold (max -11°C on Fri night, min -19°C on Wed morning). Winds decreasing (gales from the WNW on Thu night, light winds from the WSW by Fri night).
	Sunday 15			Monday 16			Tuesday 17			Wednesday 18			Thursday 19			Friday 20
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	snow shwrs	mod. snow	snow shwrs	snow shwrs	light snow	snow shwrs	some clouds	mod. snow	snow shwrs	snow shwrs	light snow	snow shwrs	snow shwrs	light snow	cloudy	some clouds
km/h	WSW	SW	SSW	WSW	W	SW	SW	WSW	W	WSW	WNW	W	WNW	NW	WNW	WNW	WNW	WSW
See all weather maps
cm	—	—	1	7	1	8	2	1	—	6	1	1	3	1	1	2	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-9	-9	-8	-12	-14	-15	-19	-19	-19	-18	-17	-17	-18	-17	-14	-15	-13	-11
min °C	-10	-9	-10	-13	-15	-19	-20	-19	-19	-19	-17	-18	-18	-18	-16	-16	-14	-13
chill °C	-18	-16	-23	-28	-29	-34	-34	-30	-26	-30	-29	-30	-29	-31	-31	-30	-26	-22

Freezing level m	1800	2000	1550	1350	1000	550	600	750	0	500	800	0	650	650	0	800	1150	650
Cloud base (m)	1850	1950	1900	1800	1800	1800	1850	1950	1800	1800	1800	1800	1800	1800	1800	1800	1800	1900

	7:05	—	—	7:03	—	—	7:03	—	—	7:01	—	—	7:00	—	—	6:58	—	—
	—	5:36	—	—	5:37	—	—	5:38	—	—	5:39	—	—	5:42	—	—	5:43	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Mon morning. Temperatures will be well below freezing (max -8°C on Sun night, min -20°C on Tue morning). Winds decreasing (severe gales from the SW on Mon night, light winds from the WSW by Tue night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Wed morning. Extremely cold (max -11°C on Fri night, min -19°C on Wed morning). Winds decreasing (gales from the WNW on Thu night, light winds from the WSW 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	2° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 50 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	2° C	-	Calm (2 kph at 69).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	1° C	Dry and cloudy.	Calm (0 kph at 0).	14 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 47 minutes ago	2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	1° C	-	Calm (0 kph at 200).
Bend wx 39 km E 1118m alt. 36 minutes ago	3° C	Dry	Calm (2 kph at 318).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 1).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	-1° C	-	Calm (0 kph at 247).

* 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.