– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Mon 01 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Mon 01 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Mon afternoon, min -6°C on Tue morning). Winds decreasing (stormy winds from the NW on Mon night, moderate winds from the N by Tue night).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max -1°C on Thu afternoon, min -7°C on Fri night). Winds decreasing (extremely windy from the WNW on Fri morning, near gales from the W by Fri night).
	Mon 1		Tuesday 2			Wednesday 3			Thursday 4			Friday 5			Saturday 6
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level (m)	3250	2350	1800	1450	1300	2300	2100	2050	2900	2750	2450	2650	2800	2650	2250	2400	2450
Cloud base (m)	4300	2500	1850	1800	1800	6350	3150	2000	1850	1850	1800	1800	1800	1800	1850	1800	1800

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

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 1°C on Mon afternoon, min -6°C on Tue morning). Winds decreasing (stormy winds from the NW on Mon night, moderate winds from the N by Tue night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max -1°C on Thu afternoon, min -7°C on Fri night). Winds decreasing (extremely windy from the WNW on Fri morning, near gales from the W by Fri 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. 47 minutes ago	-1° C	-	Calm (0 kph at 248).
Sunriver 34 km SE 1242m alt. 3 hours ago		Dry
Bend 34 km E 1164.6m alt. 44 minutes ago	4° C	Dry	Calm (5 kph at 174).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-2° C	-	Calm (0 kph at 0).	16 km Low: few
Black Butte Ranch wx 36 km NW 1429m alt. 53 minutes ago	2° C	-	Calm (5 kph at 285).
Bend 37 km SSE 1297m alt. 2 hours ago	-2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 46 minutes ago	3° C	Dry	Calm (0 kph at 276).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-2° C	-	Calm (0 kph at 21).
Deschutes River Woods wx 40 km ESE 1185m alt. 34 minutes ago	-1° C	-	Calm (0 kph at —).

* 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.