– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Sat 22 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sat 22 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 night. Freeze-thaw conditions (max 1°C on Sat afternoon, min -9°C on Mon night). Winds increasing (fresh winds from the W on Sun night, stormy winds from the SW by Mon afternoon).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Thu morning, min -7°C on Tue morning). Winds decreasing (gales from the W on Tue morning, calm by Tue night).
	Saturday 22			Sunday 23			Monday 24			Tuesday 25			Wednesday 26			Thursday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	snow shwrs	mod. snow	mod. snow	heavy snow	light snow	cloudy	mod. snow	heavy snow	some clouds	some clouds	clear	some clouds	clear	clear	some clouds	rain shwrs	clear
km/h	WSW	WSW	WSW	WSW	WSW	W	SW	SW	WSW	W	WNW	W	SSE	SSW	SSW	SSW	SW	W
See all weather maps
cm	—	2.0	9	7	12	3	—	6	30	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1	—
max°C	0	1	1	1	0	-2	-3	-5	-7	-5	-4	0	2	3	2	4	3	2
min°C	-1	1	0	1	-2	-2	-3	-7	-9	-7	-5	-3	2	2	1	3	2	2
chill°C	-9	-7	-9	-8	-12	-11	-14	-20	-23	-19	-14	-6	-1	-3	-3	-1	-2	-1

Freezing level (m)	2400	2750	2700	2650	2450	2050	2100	1800	1300	1250	1600	1050	3200	3300	3300	3200	3250	3200
Cloud base (m)	2500	1950	1800	1800	1800	1800	1800	1900	1800	1850	1800	1800		1800			1800

	6:54	—	—	6:52	—	—	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—
	—	5:45	—	—	5:46	—	—	5:49	—	—	5:50	—	—	5:51	—	—	5:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Mon night. Freeze-thaw conditions (max 1°C on Sat afternoon, min -9°C on Mon night). Winds increasing (fresh winds from the W on Sun night, stormy winds from the SW by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Thu morning, min -7°C on Tue morning). Winds decreasing (gales from the W on Tue morning, calm by Tue night).

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. 30 minutes ago	3° C	Dry	Calm (0 kph at 65).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	2° C	-	Calm (0 kph at 195).
Sisters 32 km NE 964m alt. 1 hour ago		Dry
Bend 34 km E 1147m alt. 1 hour ago	6° C	Dry	Wind obs. (6 kph from 260 degs) was rejected.
Sunriver 34 km SE 1242m alt. 54 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	7° C	Dry	Light winds from the SW (10 kph at 219).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	2° C	Clear	Light winds from the SSW (13 kph at 210).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 308).
Bend wx 36 km E 1118m alt. 24 minutes ago		Dry
Bend 37 km SSE 1297m alt. 2 hours ago	-2° 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.