– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Fri 28 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Fri 28 Nov Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 1°C on Sun night, min -10°C on Sat night). Mainly gales.										Days 5–7 Weather Summary Mostly dry. Temperatures will be below freezing (max 0°C on Thu afternoon, min -9°C on Tue afternoon). Winds decreasing (severe gales from the WNW on Mon night, moderate winds from the NNW by Tue night).
		Saturday 29			Sunday 30			Monday 1			Tuesday 2			Wednesday 3			Thursday 4
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	mod. snow	clear	clear	clear	some clouds	some clouds	some clouds	clear	clear	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds
km/h	S	W	WNW	NNW	NNE	NNW	NNW	NNW	NNW	WNW	NW	NW	NNE	NNW	NNW	NNW	NNW	NNW	WNW
See all weather maps
cm	—	—	—	6	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-1	-4	-5	-8	-5	-3	1	1	1	-2	-6	-9	-5	-4	-4	-3	-1	0	-1
min°C	-2	-5	-7	-10	-7	-4	-2	1	-1	-5	-7	-9	-6	-5	-4	-4	-2	-1	-2
chill°C	-8	-12	-18	-21	-16	-11	-8	-7	-10	-17	-19	-22	-15	-12	-13	-14	-11	-10	-13

Freezing level (m)	2050	2200	2200	1600	1550	1850	1350	3300	3250	2150	1750	1450	1150	1950	1600	1850	2700	3000	2900
Cloud base (m)	1800	6450	6200	1800	1800	1800	1800	5800	6500	2050	1800	1800	1800	6700	2500	2100	1900	1800	1800

	—	7:18	—	—	7:20	—	—	7:22	—	—	7:22	—	—	7:24	—	—	7:24	—	—
	—	—	4:30	—	—	4:30	—	—	4:29	—	—	4:29	—	—	4:29	—	—	4:29	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 1°C on Sun night, min -10°C on Sat night). Mainly gales.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Temperatures will be below freezing (max 0°C on Thu afternoon, min -9°C on Tue afternoon). Winds decreasing (severe gales from the WNW on Mon night, moderate winds from the NNW by Tue night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 3157 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. 50 minutes ago	1° C	-	Calm (0 kph at 124).
Sunriver 34 km SE 1242m alt. 56 minutes ago		Dry
Bend 34 km E 1164.6m alt. 59 minutes ago	1° C	-	Calm (0 kph at 55).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	1° C	Mist -.	Light winds from the N (15 kph at 10).	5 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-2° C	-	Calm (0 kph at 98).
Bend 37 km SSE 1297m alt. 1 hour ago	1° C	-	Calm (2 kph at 27).
Bend 37 km ESE 1158m alt. 51 minutes ago	1° C	-	Calm (0 kph at 336).
Bend wx 39 km E 1118m alt. 1 hour ago	1° C	-	Calm (3 kph at 170).
Camp Sherman 39 km NNE 920.5m alt. 55 minutes ago	1° C	-	Calm (0 kph at 21).

* 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.