– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Thu 12 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Thu 12 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -4°C on Thu night, min -10°C on Sat morning). Winds increasing (moderate winds from the NW on Thu night, gales from the SW by Sat morning).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Mon night. Temperatures will be well below freezing (max -8°C on Sun afternoon, min -15°C on Mon night). Winds decreasing (near gales from the S on Sun night, light winds from the N by Tue morning).
	Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	cloudy	some clouds	snow shwrs	light snow	light snow	some clouds	clear	some clouds	light snow	light snow	light snow	snow shwrs	light snow	mod. snow	some clouds
km/h	WNW	NNW	W	WSW	WSW	WSW	SW	SSW	SW	SSW	S	S	S	SSE	WSW	S	WNW	W
See all weather maps
cm	—	—	—	—	—	1	2	1	—	—	—	1	3	5	7	3	6	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-5	-4	-6	-8	-8	-8	-9	-9	-9	-8	-8	-9	-10	-12	-15	-15	-14
min °C	-6	-5	-6	-7	-9	-9	-10	-10	-10	-9	-9	-9	-10	-10	-15	-15	-15	-15
chill °C	-14	-12	-15	-18	-22	-21	-22	-22	-22	-18	-16	-20	-22	-22	-28	-24	-26	-26

Freezing level m	2150	2250	1100	2100	1900	1400	1750	1900	1300	1850	2100	1750	1700	1750	1050	1250	1050	500
Cloud base (m)	2000	2000	1750	6050	3300	1850	1800	1850	2000	1950	2050	2050	1800	1800	1850	1850	1850	1800

	7:09	—	—	7:09	—	—	7:07	—	—	7:05	—	—	7:03	—	—	7:03	—	—
	—	5:31	—	—	5:34	—	—	5:35	—	—	5:36	—	—	5:37	—	—	5:38	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be below freezing (max -4°C on Thu night, min -10°C on Sat morning). Winds increasing (moderate winds from the NW on Thu night, gales from the SW by Sat morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Mon night. Temperatures will be well below freezing (max -8°C on Sun afternoon, min -15°C on Mon night). Winds decreasing (near gales from the S on Sun night, light winds from the N by Tue morning).

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. 41 minutes ago	7° C	Dry	Calm (0 kph at 36).
Sunriver 34 km SE 1242m alt. 40 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	11° C	Dry	Calm (2 kph at 248).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	6° C	Clear	Light winds from the S (15 kph at 170).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	9° C	Dry	Calm (5 kph at 260).
Bend 37 km ESE 1158m alt. 40 minutes ago	12° C	Dry	Calm (0 kph at 146).
Camp Sherman 39 km NNE 920.5m alt. 59 minutes ago	11° C	Dry	Calm (2 kph at 106).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	11° C	Dry	Calm (3 kph at 220).
Bend 40 km E 1102m alt. 31 minutes ago	5° C	Dry	Calm (5 kph at 114).

* 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.