– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Sat 18 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sat 18 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 1°C on Sat night, min -6°C on Tue morning). Winds decreasing (gales from the SSE on Sun morning, light winds from the WSW by Tue afternoon).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -2°C on Wed night, min -9°C on Tue night). Winds decreasing (stormy winds from the WNW on Wed morning, light winds from the N by Fri afternoon).
		Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	cloudy	some clouds	cloudy	cloudy	some clouds	cloudy	light snow	light snow	heavy snow	light snow	clear	clear	clear	clear	clear	clear	clear
km/h	S	SSE	SSE	S	SSE	SSE	S	SSE	WSW	WNW	WNW	NW	NNW	N	NNE	N	N	NW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	1	5	12	4	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	0	0	0	-1	-1	-1	-5	-6	-6	-8	-3	-2	-3	-3	-2	-2	-2	-1
min °C	0	0	-1	0	-2	-1	-4	-6	-6	-9	-9	-5	-3	-3	-4	-3	-2	-3	-2
chill °C	-6	-9	-9	-8	-11	-9	-12	-14	-12	-23	-23	-17	-10	-12	-12	-9	-7	-6	-9

Freezing level m	3200	3100	3150	3200	2850	3000	2850	2350	2100	1700	1450	1900	1200	2450	2800	2050	2850	2900	2900
Cloud base (m)	4550	4650	5400	5750	4950	3150	5800	1900	1800	1800	1800	1800	1800	1800	2300	1800			6250

	—	6:16	—	—	6:15	—	—	6:13	—	—	6:11	—	—	6:11	—	—	6:09	—	—
	—	—	7:54	—	—	7:55	—	—	7:58	—	—	7:59	—	—	—	8:00	—	—	8:00

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 1°C on Sat night, min -6°C on Tue morning). Winds decreasing (gales from the SSE on Sun morning, light winds from the WSW by Tue afternoon).

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 Wed night, min -9°C on Tue night). Winds decreasing (stormy winds from the WNW on Wed morning, light winds from the N by Fri 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. 58 minutes ago	3° C	Dry	Calm (0 kph at 237).
Bend 34 km E 1164.6m alt. 1 hour ago	11° C	Dry	Calm (3 kph at 48).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	6° C	Clear	Light winds from the N (11 kph at 350).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	5° C	Dry	Calm (3 kph at 160).
Bend 37 km SSE 1297m alt. 1 hour ago	2° C	-	Calm (3 kph at 249).
Bend 37 km ESE 1158m alt. 58 minutes ago	10° C	Dry	Calm (0 kph at 273).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	5° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 59 minutes ago	9° C	Dry	Moderate winds from the E (24 kph at 90).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 154).
La Pine 43 km SSE 1298m alt. 46 minutes ago	6° C	Dry	Calm (0 kph at 0).

* 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.