– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Thu 04 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Thu 04 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 Thu morning, min -7°C on Fri night). Winds decreasing (extremely windy from the W on Fri afternoon, strong winds from the W by Sat night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Tue night, min -5°C on Sun morning). Winds increasing (near gales from the W on Sun night, extremely windy from the W by Tue night).
	Thursday 4			Friday 5			Saturday 6			Sunday 7			Monday 8			Tuesday 9
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	light snow	heavy snow	light snow	clear	some clouds	light snow	light snow	light snow	snow shwrs	some clouds	light snow	light snow	heavy snow	light snow	light snow	heavy snow
km/h	NW	NW	NW	W	WNW	WNW	WNW	WNW	W	W	W	W	W	W	W	WNW	W	W
See all weather maps
cm	—	1	3	11	3	—	—	1	4	3	4	—	2	4	29	2	3	37
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-2	-2	-2	-2	-3	-5	-6	-7	-6	-5	-4	-4	-4	-2	-2	-4	-3	1
min°C	-2	-2	-3	-2	-5	-7	-7	-7	-7	-5	-5	-5	-5	-3	-4	-4	-4	-1
chill°C	-12	-13	-15	-13	-18	-21	-19	-19	-18	-16	-17	-15	-17	-15	-16	-15	-15	-12

Freezing level (m)	2650	2300	2400	2700	2550	1800	1750	1700	1800	2150	2250	2200	2250	2650	2700	1700	2000	3050
Cloud base (m)	2150	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800

	7:24	—	—	7:26	—	—	7:26	—	—	7:28	—	—	7:28	—	—	7:30	—	—
	—	4:29	—	—	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 Thu morning, min -7°C on Fri night). Winds decreasing (extremely windy from the W on Fri afternoon, strong winds from the W by Sat night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Tue night, min -5°C on Sun morning). Winds increasing (near gales from the W on Sun night, extremely windy from the W 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	9° C	Dry	Calm (2 kph at 0).
Sisters wx 25 km NNE 1022m alt. 40 minutes ago	9° C	Dry	Calm (2 kph at 27).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	9° C	Dry	Calm (5 kph at 184).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	7° C	Dry and cloudy.	Moderate winds from the S (22 kph at 190).	16 km Low: scattered Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 33 minutes ago	2° C	-	Calm (2 kph at 294).
Bend 37 km SSE 1297m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 292).
Bend 37 km ESE 1158m alt. 38 minutes ago	9° C	Dry	Calm (0 kph at 229).
Camp Sherman 39 km NNE 920.5m alt. 58 minutes ago	7° C	Dry	Calm (3 kph at 203).
Deschutes River Woods wx 40 km ESE 1185m alt. 27 minutes ago	8° C	Dry	Calm (5 kph at 222).

* 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.