– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Thu 14 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Thu 14 May 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 Fri night. Temperatures will be below freezing (max -3°C on Thu night, min -13°C on Fri night). Winds decreasing (severe gales from the W on Fri night, light winds from the NNE by Sun afternoon).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Wed morning, min -7°C on Sun night). Winds decreasing (near gales from the NW on Tue morning, calm by Wed afternoon).
		Friday 15			Saturday 16			Sunday 17			Monday 18			Tuesday 19			Wednesday 20
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	mod. snow	snow shwrs	light snow	mod. snow	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear
km/h	W	W	W	W	WNW	WNW	NW	NE	NNE	NNW	NW	WNW	NW	NNW	NW	NNW	NNW	W	WSW
See all weather maps
cm	—	—	—	9	4	4	8	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-5	-7	-9	-13	-11	-11	-9	-7	-5	-5	-3	-2	-2	1	3	4	4	4
min °C	-4	-5	-8	-13	-13	-12	-12	-9	-8	-7	-5	-4	-3	-3	0	1	3	3	4
chill °C	-15	-15	-20	-27	-27	-25	-25	-19	-15	-12	-11	-8	-12	-12	-6	-6	-3	1	0

Freezing level m	2150	2400	2250	1550	1450	1650	1050	1850	2350	1750	2450	2750	2150	2900	3300	3500	3700	3700	3700
Cloud base (m)	1850	9050	2600	1800	1800	1800	1800	1800	2250	5750	2000	2550	2000			1750			8400

	—	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—	5:35	—	—	5:35	—	—
	—	—	—	8:25	—	—	8:27	—	—	8:28	—	—	8:29	—	—	8:30	—	—	8:30

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -3°C on Thu night, min -13°C on Fri night). Winds decreasing (severe gales from the W on Fri night, light winds from the NNE by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Wed morning, min -7°C on Sun night). Winds decreasing (near gales from the NW on Tue morning, calm by Wed afternoon).

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. 50 minutes ago	9° C	Dry	Calm (2 kph at 295).
Bend 34 km E 1147m alt. 53 minutes ago	9° C	Dry	Calm (2 kph at 7).
Bend 34 km E 1164.6m alt. 49 minutes ago	9° C	Dry	Calm (3 kph at 17).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	8° C	Dry and cloudy.	Light winds from the S (19 kph at 180).	16 km Low: broken Mid: overcast
Bend 37 km SSE 1297m alt. 40 minutes ago	7° C	Dry	Wind obs. (6 kph from 0 degs) was rejected.
Bend 37 km ESE 1158m alt. 48 minutes ago	9° C	Dry	Calm (0 kph at 142).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	8° C	Dry	Calm (2 kph at 198).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	8° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 43 minutes ago	4° C	Dry	Light winds from the SW (19 kph at 234).
Cloverdale wx 42 km NE 947m alt. 37 minutes ago	10° C	Dry	Calm (2 kph at 83).

* 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.