– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Thu 11 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 11 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 8°C on Sat morning, min 4°C on Thu morning). Winds decreasing (strong winds from the W on Thu morning, moderate winds from the WSW by Fri night).									Days 4–6 Weather Summary Light rain (total 6mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 5°C on Sun morning, min -9°C on Tue night). Winds increasing (fresh winds from the SW on Sun afternoon, severe gales from the WSW by Tue afternoon).
	Thursday 11			Friday 12			Saturday 13			Sunday 14			Monday 15			Tuesday 16
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	clear	some clouds	some clouds	clear	clear	some clouds	some clouds	some clouds	some clouds	rain shwrs	light rain	light snow	light snow	mod. snow	heavy snow
km/h	W	WNW	WNW	WNW	WNW	W	WSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	WSW	WSW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2	1	10	36
mm	—	—	—	—	—	—	—	—	—	—	—	—	1.1	3	1.6	—	—	—
max°C	5	4	5	7	6	7	8	7	6	5	4	4	3	3	2	-1	-2	-3
min°C	4	4	4	7	6	7	8	6	4	5	4	3	3	3	0	-2	-3	-9
chill°C	-2	-2	-1	2	1	3	5	2	-2	-1	-2	-4	-5	-5	-9	-12	-14	-22

Freezing level (m)	3600	3450	3600	3700	3750	3850	3750	3700	3500	3300	3200	3150	2900	3150	2650	2350	2150	1500
Cloud base (m)					7300				8000	7050	3400	3600	2450	1850	1800	1800	1800	1800

	7:31	—	—	7:31	—	—	7:33	—	—	7:33	—	—	7:35	—	—	7:35	—	—
	—	4:28	—	—	4:28	—	—	4:28	—	—	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 8°C on Sat morning, min 4°C on Thu morning). Winds decreasing (strong winds from the W on Thu morning, moderate winds from the WSW by Fri night).

South Sister Volcano Weather (Days 3-6):

Light rain (total 6mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 5°C on Sun morning, min -9°C on Tue night). Winds increasing (fresh winds from the SW on Sun afternoon, severe gales from the WSW by Tue afternoon).

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. 1 hour ago	1° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 41 minutes ago	2° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 33 minutes ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	7° C	Dry	Light winds from the SSE (10 kph at 167).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	1° C	Clear	Light winds from the SW (13 kph at 230).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 27 minutes ago	4° C	Dry	Light winds from the NW (6 kph at 304).
Bend 37 km SSE 1297m alt. 1 hour ago	1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 41 minutes ago	9° C	Dry	Calm (0 kph at 229).
Bend wx 39 km E 1118m alt. 1 hour ago	8° C	Dry	Light winds from the W (6 kph at 259).
Camp Sherman 39 km NNE 920.5m alt. 51 minutes ago	7° C	Dry	Calm (0 kph at 206).

* 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.