– Lat/Long: 44.10° N 121.77° W

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

Issued: 9 am Fri 12 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Mild temperatures (max 9°C on Sat morning, min 2°C on Sun night). Winds increasing (moderate winds from the WSW on Sat morning, gales from the WSW by Sun night).									Days 4–6 Weather Summary Light rain (total 7mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 4°C on Mon morning, min -9°C on Tue night). Mainly stormy winds.
	Friday 12			Saturday 13			Sunday 14			Monday 15			Tuesday 16			Wednesday 17
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	clear	clear	clear	cloudy	clear	rain shwrs	light rain	light snow	light snow	heavy snow	heavy snow	heavy snow	some clouds	cloudy	light snow
km/h	WNW	WNW	W	WSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	WSW	WSW	WSW	W	WSW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	1	5	13	15	23	—	—	1
mm	—	—	—	—	—	—	—	—	0.9	0.9	6	—	—	—	—	—	—	—
max°C	8	7	7	9	7	6	4	3	3	4	3	1	0	-1	-4	-5	-5	-6
min°C	7	7	7	8	7	4	4	3	2	3	2	-1	-1	-2	-9	-6	-5	-7
chill°C	2	2	2	5	3	-2	-2	-4	-5	-5	-6	-10	-10	-11	-21	-16	-15	-18

Freezing level (m)	3750	3750	3850	3750	3700	3600	3250	3100	2900	3150	3050	2700	2450	2150	1200	1000	1100	1200
Cloud base (m)	7100			8000	8400	7700	7150	3250	3550	2000	1850	1800	1800	1800	1850	1800	1800	1800

	7:31	—	—	7:33	—	—	7:33	—	—	7:35	—	—	7:35	—	—	7:35	—	—
	—	4:28	—	—	4:28	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:29	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 9°C on Sat morning, min 2°C on Sun night). Winds increasing (moderate winds from the WSW on Sat morning, gales from the WSW by Sun night).

South Sister Volcano Weather (Days 3-6):

Light rain (total 7mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 4°C on Mon morning, min -9°C on Tue night). Mainly stormy winds.

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 2 hours ago	17° C	Dry	Calm (2 kph at 315).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	17° C	Dry	Calm (0 kph at 122).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 24 minutes ago	16° C	Dry	Calm (2 kph at 249).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	13° C	Clear	Light winds from the SSW (13 kph at 200).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 38 minutes ago	13° C	Dry	Calm (5 kph at 250).
Bend 37 km SSE 1297m alt. 2 hours ago	13° C	Dry	Calm (2 kph at 138).
Bend 37 km ESE 1158m alt. 1 hour ago	15° C	Dry	Calm (0 kph at 211).
Bend wx 39 km E 1118m alt. 26 minutes ago	16° C	Dry	Light winds from the SSW (6 kph at 212).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	17° C	Dry	Calm (0 kph at 194).

* 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.