– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Fri 17 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Fri 17 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Sun night, min -8°C on Fri morning). Winds increasing (light winds from the WNW on Fri afternoon, near gales from the SSE by Sun night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 2°C on Mon night, min -11°C on Wed night). Winds increasing (light winds from the W on Tue night, stormy winds from the WNW by Wed night).
	Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	cloudy	some clouds	clear	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	cloudy	some clouds	light snow	heavy snow	heavy snow	mod. snow	snow shwrs
km/h	NNW	SW	SW	SSW	S	S	S	SSE	SSE	SSE	S	S	SSE	SSE	W	W	NW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	1	14	18	7	5
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-6	-5	-3	-2	-2	0	0	0	1	0	1	2	-1	-3	-5	-9	-5	-5
min °C	-8	-5	-3	-2	-2	-1	0	-1	0	-1	1	0	-2	-4	-9	-9	-8	-11
chill °C	-16	-8	-9	-7	-8	-7	-8	-8	-7	-9	-6	-8	-10	-10	-21	-22	-21	-25

Freezing level m	2000	2450	2000	2800	2950	3150	3150	3200	3200	3050	3350	3250	2850	2600	1850	1550	1900	1200
Cloud base (m)	6400	2350	6250	7550	4100	3750	4450	5250	6200	4950		4000	3450	2800	1800	1800	1800	1800

	6:20	—	—	6:18	—	—	6:16	—	—	6:15	—	—	6:13	—	—	6:11	—	—
	—	7:52	—	—	7:53	—	—	7:54	—	—	7:55	—	—	7:58	—	—	7:59	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 1°C on Sun night, min -8°C on Fri morning). Winds increasing (light winds from the WNW on Fri afternoon, near gales from the SSE by Sun night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 2°C on Mon night, min -11°C on Wed night). Winds increasing (light winds from the W on Tue night, stormy winds from the WNW by Wed night).

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. 1 hour ago	12° C	Dry	Calm (2 kph at 134).
Bend 34 km E 1164.6m alt. 19 minutes ago	14° C	Dry	Light winds from the NNW (6 kph at 336).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	11° C	Clear	Light winds from the N (7 kph at 1).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 30 minutes ago	8° C	Light rain.	Calm (2 kph at 302).
Bend 37 km SSE 1297m alt. 26 minutes ago	13° C	Dry	Calm (5 kph at 213).
Bend 37 km ESE 1158m alt. 1 hour ago	14° C	Dry	Calm (3 kph at 338).
Bend wx 39 km E 1118m alt. 1 hour ago	16° C	Dry	Light winds from the E (8 kph at 88).
Deschutes River Woods wx 40 km ESE 1185m alt. 53 minutes ago	12° C	Dry	Calm (3 kph at 333).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8° C	Dry	Calm (3 kph at 132).
Cloverdale wx 42 km NE 947m alt. 30 minutes ago	14° C	Dry	Calm (3 kph at 110).

* 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.