– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Thu 12 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Thu 12 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Fri night. Temperatures will be below freezing (max -4°C on Thu night, min -10°C on Fri night). Winds increasing (light winds from the NNW on Thu afternoon, gales from the SW by Sat morning).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be well below freezing (max -9°C on Sun night, min -17°C on Tue afternoon). Winds decreasing (near gales from the S on Sun night, light winds from the W by Wed morning).
	Thu 12		Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	cloudy	some clouds	light snow	light snow	light snow	some clouds	cloudy	light snow	light snow	mod. snow	heavy snow	snow shwrs	light snow	light snow	some clouds
km/h	NNW	W	WSW	WSW	WSW	SW	SSW	SW	SW	S	SSW	S	SSE	SW	S	WSW	SW
See all weather maps
cm	—	—	—	—	4	3	2	—	—	3	3	6	19	4	3	2	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-4	-6	-9	-9	-9	-9	-9	-10	-10	-9	-10	-10	-14	-16	-16	-16
min °C	-5	-6	-8	-9	-10	-10	-10	-10	-10	-10	-11	-11	-13	-16	-16	-17	-17
chill °C	-12	-15	-19	-22	-21	-23	-23	-22	-20	-18	-22	-20	-22	-28	-27	-28	-26

Freezing level m	2200	1100	2100	1900	1500	1650	1850	1200	1650	1850	1500	1600	1550	800	1000	1050	250
Cloud base (m)	1950	1750	5700	3100	1800	1800	1800	2150	2350	1900	1800	1800	1800	2050	1850	1850	1850

	—	—	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 light covering of new snow mostly falling on Fri night. Temperatures will be below freezing (max -4°C on Thu night, min -10°C on Fri night). Winds increasing (light winds from the NNW on Thu afternoon, gales from the SW by Sat morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be well below freezing (max -9°C on Sun night, min -17°C on Tue afternoon). Winds decreasing (near gales from the S on Sun night, light winds from the W by Wed 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. 2 hours ago	8° C	Dry	Calm (2 kph at 305).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 40 minutes ago	8° C	Dry	Calm (3 kph at 98).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	9° C	Clear	Light winds from the SW (15 kph at 220).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 38 minutes ago	8° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 51 minutes ago	9° C	Dry	Calm (0 kph at 275).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 106).
Deschutes River Woods wx 40 km ESE 1185m alt. 3 hours ago	10° C	Dry	Calm (3 kph at 265).
Bend 40 km E 1102m alt. 2 hours ago	-1° C	-	Calm (0 kph at 0).

* 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.