– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sun 30 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 30 Mar 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 Sun afternoon. Temperatures will be below freezing (max -4°C on Sun afternoon, min -11°C on Mon night). Winds decreasing (gales from the SW on Sun afternoon, calm by Mon night).									Days 4–6 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -1°C on Fri afternoon, min -10°C on Wed night). Wind will be generally light.
	Sunday 30			Monday 31			Tuesday 1			Wednesday 2			Thursday 3			Friday 4
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	snow shwrs	snow shwrs	light snow	light snow	mod. snow	light snow	snow shwrs	snow shwrs	some clouds	light snow	some clouds	some clouds	snow shwrs	clear	some clouds	some clouds	clear
km/h	SSE	SW	SW	WSW	W	S	N	NW	NW	WNW	W	SW	S	SE	S	SE	SE	ESE
See all weather maps
cm	—	6	4	2.0	4	7	3	2.0	5	—	1.0	—	—	1.0	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-5	-4	-6	-10	-9	-10	-9	-8	-8	-8	-8	-9	-7	-5	-6	-2	-1	-2
min°C	-6	-5	-9	-10	-10	-11	-10	-8	-9	-9	-8	-10	-9	-6	-6	-4	-1	-3
chill°C	-15	-16	-21	-22	-20	-19	-16	-16	-18	-17	-12	-14	-13	-6	-10	-7	-4	-6

Freezing level (m)	1850	1850	1150	1250	1350	900	1350	1400	900	1200	1400	800	1600	1800	1200	2200	2400	1750
Cloud base (m)	2200	1800	1800	1800	1800	1800	1850	1850	1800	1800	1800	1850	1850	2000	1850		2500	6450

	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—	6:45	—	—	6:43	—	—
	—	7:30	—	—	7:31	—	—	7:32	—	—	7:35	—	—	7:36	—	—	7:37	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -4°C on Sun afternoon, min -11°C on Mon night). Winds decreasing (gales from the SW on Sun afternoon, calm by Mon night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max -1°C on Fri afternoon, min -10°C on Wed night). Wind will be generally light.

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	-3° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 41 minutes ago	-2° C	-	Calm (0 kph at 354).
Sisters 32 km NE 964m alt. 2 hours ago		Dry
Bend 34 km E 1147m alt. 29 minutes ago	-1° C	-	Calm (2 kph at 32).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 56 minutes ago	1° C	-	Calm (0 kph at 90).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-1° C	Dry and cloudy.	Light winds from the N (11 kph at 0).	16 km Low: broken Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 34 minutes ago		-	Calm (0 kph at 308).
Bend wx 36 km E 1118m alt. 55 minutes ago	9° C	Dry	Calm (3 kph at 65).
Bend 37 km SSE 1297m alt. 1 hour ago	-3° 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.