– Lat/Long: 44.10° N 121.77° W

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

Issued: 10 pm Tue 10 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max 0°C on Thu night, min -10°C on Tue night). Winds increasing (near gales from the W on Tue night, stormy winds from the W by Wed night).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 9°C on Mon afternoon, min -3°C on Sat morning). Winds decreasing (severe gales from the W on Fri night, fresh winds from the NW by Sat night).
		Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	light snow	cloudy	light snow	light snow	light snow	cloudy	cloudy	heavy snow	snow shwrs	clear	some clouds	clear	clear	some clouds	clear	clear	clear
km/h	W	W	W	W	W	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W
See all weather maps
cm	4	2	1	—	1	1	2	—	—	12	1	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-3	-1	-1	-2	-1	0	0	0	0	-2	-1	0	3	3	4	7	9	6
min °C	-10	-4	-2	-1	-2	-1	-2	0	0	-2	-3	-1	-3	0	3	3	5	8	6
chill °C	-22	-14	-12	-12	-13	-11	-12	-9	-10	-12	-13	-9	-11	-8	-4	-4	-1	3	1

Freezing level m	1150	1850	2200	2250	2000	2350	2100	2450	2550	2150	1500	2200	1500	3100	3200	3700	3950	3950	3850
Cloud base (m)	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	8650	6350	2900	3000

	—	7:26	—	—	7:24	—	—	7:22	—	—	7:20	—	—	7:18	—	—	7:18	—	—
	—	—	7:07	—	—	7:08	—	—	7:09	—	—	7:10	—	—	7:12	—	—	7:14	—

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 0°C on Thu night, min -10°C on Tue night). Winds increasing (near gales from the W on Tue night, stormy winds 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 9°C on Mon afternoon, min -3°C on Sat morning). Winds decreasing (severe gales from the W on Fri night, fresh winds from the NW by Sat 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. 50 minutes ago	3° C	Dry	Calm (2 kph at 332).
Sunriver 34 km SE 1242m alt. 46 minutes ago		Dry
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	2° C	Dry and cloudy.	Moderate winds from the S (22 kph at 180).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	1° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 49 minutes ago	3° C	Dry	Calm (3 kph at 191).
Bend wx 39 km E 1118m alt. 1 hour ago	2° C	-	Calm (5 kph at 100).
Camp Sherman 39 km NNE 920.5m alt. 50 minutes ago	3° C	Dry	Wind obs. (8 kph from 192 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 35 minutes ago	2° C	-	Calm (0 kph at —).
Bend 40 km E 1102m alt. 41 minutes ago		-	Light winds from the SSW (8 kph at 197).

* 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.