– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Sun 30 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sun 30 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -5°C on Tue afternoon). Winds increasing (light winds from the NNE on Sun morning, near gales from the NW by Mon night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 1°C on Wed night, min -6°C on Fri afternoon). Winds increasing (light winds from the NNW on Wed morning, gales from the W by Thu night).
	Sunday 30			Monday 1			Tuesday 2			Wednesday 3			Thursday 4			Friday 5
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	cloudy	light snow	mod. snow	mod. snow	mod. snow	mod. snow
km/h	NE	N	NNW	N	NNW	WNW	NW	N	NNE	NNW	NW	NNW	NW	WNW	W	WNW	WNW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	3	7	6	10	6
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-2	-1	3	4	2	1	-3	-5	-2	0	-1	1	1	1	1	-5	-5	-4
min°C	-3	-1	0	4	1	-3	-4	-5	-5	-1	-1	-1	1	0	-4	-5	-6	-6
chill°C	-8	-4	-4	-1	-6	-13	-13	-12	-12	-5	-6	-8	-6	-9	-14	-15	-17	-18

Freezing level (m)	1650	2100	3200	3500	3150	2400	1700	1500	1250	2300	2200	2800	2800	3000	2500	1700	1600	1550
Cloud base (m)	1800	1950		5600	3450	1900	1800	1800	1800	6900	3550	1900	1900	1800	1800	1800	1800	1800

	7:20	—	—	7:22	—	—	7:22	—	—	7:24	—	—	7:24	—	—	7:26	—	—
	—	4:30	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -5°C on Tue afternoon). Winds increasing (light winds from the NNE on Sun morning, near gales from the NW by Mon night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 1°C on Wed night, min -6°C on Fri afternoon). Winds increasing (light winds from the NNW on Wed morning, gales from the W by Thu 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. 1 hour ago	-2° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 40 minutes ago	-1° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 55 minutes ago	-2° C	-	Calm (3 kph at 3).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-3° C	Dry and cloudy.	Light winds from the NNE (15 kph at 30).	16 km Low: few Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	-4° C	-	Calm (0 kph at 129).
Bend 37 km SSE 1297m alt. 30 minutes ago	-2° C	-	Calm (2 kph at 93).
Bend 37 km ESE 1158m alt. 40 minutes ago	-2° C	-	Calm (0 kph at 329).
Deschutes River Woods wx 40 km ESE 1185m alt. 26 minutes ago	-2° C	-	Calm (0 kph at —).
Bend 40 km E 1102m alt. 30 minutes ago	1° C	-	Wind obs. (21 kph from 262 degs) was rejected.

* 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.