– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 pm Sat 21 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sat 21 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max 0°C on Mon night, min -5°C on Sat night). Winds decreasing (gales from the SSW on Sun morning, strong winds from the WSW by Mon afternoon).										Days 5–7 Weather Summary A light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 1°C on Fri morning, min -10°C on Tue night). Winds decreasing (gales from the W on Tue night, light winds from the WNW by Wed night).
		Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	cloudy	light snow	light snow	cloudy	light snow	mod. snow	light snow	light snow	snow shwrs	clear	clear	clear	clear	clear	clear	clear	clear	some clouds
km/h	SSW	SSW	SW	SW	WSW	SW	WSW	WSW	WSW	W	NW	WNW	WNW	W	W	WNW	W	W	W
See all weather maps
cm	—	—	2	5	—	2	10	2	5	6	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-3	-3	-3	-1	-2	0	0	-2	-7	-5	-4	-3	0	-1	-2	1	1	1
min °C	-5	-3	-3	-3	-2	-2	-2	-1	-5	-10	-7	-5	-4	-1	-2	-2	0	-1	0
chill °C	-15	-14	-13	-13	-12	-11	-11	-11	-16	-21	-15	-10	-8	-5	-9	-9	-7	-8	-6

Freezing level m	1050	2000	2000	1900	2150	2250	2300	2450	2100	1200	1200	1550	650	2300	2350	1250	2500	2650	3100
Cloud base (m)	1800	1850	1800	1800	1900	1850	1800	1800	1800	1800					8400

	—	6:54	—	—	6:52	—	—	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—
	—	—	5:45	—	—	5:46	—	—	5:49	—	—	5:50	—	—	5:51	—	—	5:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max 0°C on Mon night, min -5°C on Sat night). Winds decreasing (gales from the SSW on Sun morning, strong winds from the WSW by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 1°C on Fri morning, min -10°C on Tue night). Winds decreasing (gales from the W on Tue night, light winds from the WNW by Wed 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 49 minutes ago	-3° C	-	Calm (0 kph at 247).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	3° C	Dry	Wind obs. (8 kph from 146 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	2° C	Clear	Light winds from the SW (15 kph at 230).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago		-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	1° C	-	Calm (2 kph at 128).
Bend 37 km ESE 1158m alt. 48 minutes ago	3° C	Dry	Calm (0 kph at 141).
Bend wx 39 km E 1118m alt. 1 hour ago	0° C	-	Wind obs. (6 kph from 74 degs) was rejected.
Camp Sherman 39 km NNE 920.5m alt. 53 minutes ago	-2° C	-	Calm (0 kph at 341).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	-1° C	-	Calm (2 kph at 168).

* 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.