– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Tue 10 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 10 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -2°C on Thu afternoon, min -17°C on Tue morning). Winds increasing (near gales from the W on Tue morning, extremely windy from the W by Wed night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 5°C on Sun night, min -6°C on Fri night). Winds decreasing (extremely windy from the W on Fri afternoon, strong winds from the NW by Sun morning).
	Tuesday 10			Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	mod. snow	light snow	light snow	some clouds	clear	clear	clear	clear	cloudy	heavy snow	snow shwrs	clear	some clouds	clear	some clouds	clear
km/h	W	W	W	W	W	W	W	W	W	W	W	W	WNW	NW	NW	WNW	NW	WNW
See all weather maps
cm	4	3	7	2	2	—	—	—	—	—	—	17	1	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-16	-14	-8	-6	-3	-3	-3	-2	-2	-1	-2	-3	-5	-5	-2	0	1	5
min °C	-17	-15	-13	-8	-4	-3	-4	-4	-4	-1	-3	-6	-6	-6	-5	-1	0	2
chill °C	-33	-30	-28	-21	-17	-16	-17	-16	-16	-12	-15	-19	-19	-18	-16	-9	-9	-6

Freezing level m	950	1250	1200	1850	2050	2300	2250	2300	2550	2700	2400	2100	1450	1950	1350	3050	3450	3900
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	9300	6800	3200	2800

	7:28	—	—	7:26	—	—	7:24	—	—	7:22	—	—	7:20	—	—	7:18	—	—
	—	7:06	—	—	7:07	—	—	7:08	—	—	7:09	—	—	7:10	—	—	7:12	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -2°C on Thu afternoon, min -17°C on Tue morning). Winds increasing (near gales from the W on Tue morning, extremely windy from the W by Wed night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 5°C on Sun night, min -6°C on Fri night). Winds decreasing (extremely windy from the W on Fri afternoon, strong winds from the NW by Sun morning).

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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 44 minutes ago	4° C	Dry	Calm (3 kph at 288).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	0° C	Light snow.	Light winds from the SW (11 kph at 220).	6 km Low: few Mid: few
Black Butte Ranch wx 36 km NW 1429m alt. 58 minutes ago	2° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	2° C	-	Wind obs. (6 kph from 194 degs) was rejected.
Bend 37 km ESE 1158m alt. 41 minutes ago	3° C	Dry	Calm (0 kph at 238).
Camp Sherman 39 km NNE 920.5m alt. 58 minutes ago	3° C	Dry	Light winds from the SW (6 kph at 227).
Deschutes River Woods wx 40 km ESE 1185m alt. 30 minutes ago	2° C	-	Calm (5 kph at 205).
Bend 40 km E 1102m alt. 35 minutes ago		-	Wind obs. (6 kph from 187 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 38 minutes ago	7° C	Dry	Wind obs. (6 kph from 323 degs) was rejected.

* 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.