– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Fri 05 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Fri 05 Dec 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 Fri morning. Temperatures will be below freezing (max -2°C on Fri morning, min -8°C on Fri night). Winds decreasing (extremely windy from the W on Fri afternoon, near gales from the WNW by Sat night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 1°C on Tue night, min -7°C on Wed afternoon). Winds decreasing (extremely windy from the WSW on Tue night, near gales from the WNW by Wed night).
	Friday 5			Saturday 6			Sunday 7			Monday 8			Tuesday 9			Wednesday 10
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy snow	snow shwrs	clear	clear	some clouds	snow shwrs	light snow	snow shwrs	snow shwrs	light snow	mod. snow	heavy snow	heavy snow	heavy snow	heavy snow	heavy snow	snow shwrs	clear
km/h	W	WNW	WNW	WNW	WNW	W	W	WNW	W	W	W	W	W	W	W	WSW	W	WNW
See all weather maps
cm	15	7	—	—	—	1	3	1	12	5	7	19	12	13	23	40	23	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-2	-2	-6	-7	-6	-6	-5	-5	-3	-2	-1	-1	0	0	1	-2	-6	-4
min°C	-2	-4	-8	-7	-7	-7	-5	-5	-6	-3	-1	-1	0	0	-1	-4	-7	-5
chill°C	-13	-17	-22	-20	-20	-18	-17	-16	-18	-15	-12	-13	-12	-12	-14	-18	-22	-16

Freezing level (m)	2650	2700	1800	1700	1800	1700	2150	2250	2250	2600	2850	2950	3100	3050	3100	2850	1850	1300
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	1800

	7:26	—	—	7:26	—	—	7:28	—	—	7:28	—	—	7:30	—	—	7:31	—	—
	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Fri morning. Temperatures will be below freezing (max -2°C on Fri morning, min -8°C on Fri night). Winds decreasing (extremely windy from the W on Fri afternoon, near gales from the WNW by Sat night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 1°C on Tue night, min -7°C on Wed afternoon). Winds decreasing (extremely windy from the WSW on Tue night, near gales from the WNW by Wed 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	9° C	Dry	Calm (2 kph at 331).
Sisters wx 25 km NNE 1022m alt. 59 minutes ago	9° C	Dry	Calm (2 kph at 276).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	8° C	Dry	Calm (3 kph at 50).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	8° C	Dry and cloudy.	Wind obs. (28 kph from 170 degs) was rejected.	16 km Low: broken Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4° C	Light rain.	Calm (5 kph at 274).
Bend 37 km SSE 1297m alt. 2 hours ago	7° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 59 minutes ago	9° C	Dry	Calm (2 kph at 216).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 46 minutes ago	9° C	Dry	Light winds from the SW (6 kph at 232).

* 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.