– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sat 11 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 11 Apr 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 Sun morning. Temperatures will be below freezing (max -1°C on Sat afternoon, min -5°C on Sun night). Winds increasing (light winds from the NW on Sun morning, strong winds from the W by Tue morning).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -2°C on Tue afternoon, min -13°C on Wed night). Winds decreasing (severe gales from the W on Tue night, light winds from the NNW by Fri morning).
	Sat 11		Sunday 12			Monday 13			Tuesday 14			Wednesday 15			Thursday 16
	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	light snow	cloudy	cloudy	some clouds	some clouds	mod. snow	mod. snow	snow shwrs	mod. snow	snow shwrs	some clouds	some clouds
km/h	SSE	SSE	NW	NW	NW	WNW	WNW	WNW	W	WSW	W	WSW	W	W	N	NNW	NNW
See all weather maps
cm	2	1	6	3	4	1	—	—	—	—	10	9	2	8	1	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-2	-3	-4	-4	-4	-3	-3	-3	-2	-4	-7	-10	-12	-9	-7	-7
min °C	-1	-3	-3	-4	-5	-4	-4	-4	-4	-4	-6	-8	-11	-13	-11	-8	-9
chill °C	-5	-7	-6	-12	-14	-12	-9	-12	-12	-15	-18	-19	-23	-24	-21	-16	-17

Freezing level m	2400	2150	1900	1800	1600	1600	1650	1200	1900	1800	1400	1250	1150	300	1050	1250	850
Cloud base (m)	2350	2000	1800	1800	1800	1800	1800	1800	1850	1950	1800	1800	1800	1800	1800	1800	1800

	—	—	6:28	—	—	6:26	—	—	6:24	—	—	6:24	—	—	6:22	—	—
	7:45	—	—	7:46	—	—	7:47	—	—	7:49	—	—	7:50	—	—	7:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Sun morning. Temperatures will be below freezing (max -1°C on Sat afternoon, min -5°C on Sun night). Winds increasing (light winds from the NW on Sun morning, strong winds from the W by Tue morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -2°C on Tue afternoon, min -13°C on Wed night). Winds decreasing (severe gales from the W on Tue night, light winds from the NNW by Fri morning).

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. 1 hour ago	9° C	Dry	Calm (0 kph at 302).
Bend 34 km E 1164.6m alt. 2 hours ago	14° C	Dry	Calm (3 kph at 45).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	9° C	Dry and cloudy.	Wind obs. (15 kph from 290 degs) was rejected.	14 km Low: broken Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 58 minutes ago	5° C	Dry	Calm (0 kph at 260).
Bend 37 km SSE 1297m alt. 59 minutes ago	7° C	Dry	Calm (2 kph at 242).
Bend 37 km ESE 1158m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 355).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 248).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	2° C	-	Strong winds from the SSW (45 kph at 209).
Cloverdale wx 42 km NE 947m alt. 54 minutes ago	12° C	Dry	Calm (2 kph at 223).
La Pine 43 km SSE 1298m alt. 1 hour ago	6° C	Light rain.	Calm (0 kph at 213).

* 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.