– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sat 16 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 16 May 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 Sat night. Temperatures will be below freezing (max -2°C on Mon night, min -13°C on Sat night). Winds decreasing (near gales from the WNW on Sat afternoon, light winds from the W by Mon afternoon).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Thu night, min -1°C on Tue afternoon). Winds decreasing (strong winds from the NNW on Tue night, calm by Wed afternoon).
	Sat 16		Sunday 17			Monday 18			Tuesday 19			Wednesday 20			Thursday 21
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	heavy snow	clear	some clouds	some clouds	cloudy	some clouds	clear	some clouds	clear	some clouds	clear	some clouds	clear	clear	clear	clear
km/h	WNW	NW	NE	NNE	NE	WNW	WNW	NW	NW	NW	NNW	N	NW	NE	N	NW	WNW
See all weather maps
cm	4	11	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-11	-11	-9	-7	-4	-5	-5	-2	-2	1	1	0	1	2	2	3	4
min °C	-12	-13	-10	-9	-6	-6	-5	-4	-2	-1	0	-1	0	2	2	3	4
chill °C	-24	-26	-21	-18	-15	-9	-8	-9	-9	-7	-7	-5	0	0	0	2	2

Freezing level m	1650	1150	1800	2250	1700	2450	2550	2200	2900	3250	3200	3000	3250	3500	3500	3650	3750
Cloud base (m)	1800	1800	1800	2400	1750	5550	3050	9150	6100	8650	1800

	—	—	5:37	—	—	5:37	—	—	5:35	—	—	5:35	—	—	5:35	—	—
	—	8:27	—	—	8:28	—	—	8:29	—	—	8:30	—	—	8:30	—	—	8:31

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Sat night. Temperatures will be below freezing (max -2°C on Mon night, min -13°C on Sat night). Winds decreasing (near gales from the WNW on Sat afternoon, light winds from the W by Mon afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Thu night, min -1°C on Tue afternoon). Winds decreasing (strong winds from the NNW on Tue night, 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. 1 hour ago	3° C	Dry	Calm (0 kph at 289).
Bend 34 km E 1147m alt. 2 hours ago	5° C	Dry	Calm (2 kph at 11).
Bend 34 km E 1164.6m alt. 2 hours ago	5° C	Dry	Calm (3 kph at 80).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	2° C	Dry and cloudy.	Light winds from the SW (9 kph at 230).	16 km Low: broken Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	-1° C	-	Light winds from the WNW (8 kph at 301).
Bend 37 km SSE 1297m alt. 50 minutes ago	2° C	-	Calm (2 kph at 246).
Bend 37 km ESE 1158m alt. 1 hour ago	5° C	Dry	Calm (0 kph at 319).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 111).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	4° C	Dry	Calm (2 kph at 342).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	1° C	-	Moderate winds from the W (27 kph at 272).

* 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.