– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Sat 28 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 28 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Sat afternoon, min -6°C on Mon morning). Winds decreasing (gales from the WSW on Sun afternoon, calm by Mon afternoon).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -2°C on Fri morning, min -11°C on Wed night). Winds decreasing (gales from the SW on Wed morning, light winds from the NNE by Fri morning).
	Sat 28		Sunday 29			Monday 30			Tuesday 31			Wednesday 1			Thursday 2
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	cloudy	some clouds	some clouds	some clouds	cloudy	cloudy	light snow	heavy snow	heavy snow	heavy snow	mod. snow	snow shwrs	clear
km/h	WSW	WSW	WSW	WSW	WSW	WNW	SSW	SW	WSW	WSW	WSW	SW	WSW	WSW	NW	NNW	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	4	14	14	12	8	1	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	-1	-2	-2	-3	-5	-3	-4	-5	-4	-4	-4	-7	-10	-10	-8	-6
min °C	1	-2	-2	-2	-5	-6	-4	-5	-5	-5	-6	-4	-8	-11	-11	-9	-7
chill °C	-6	-11	-12	-11	-15	-15	-4	-11	-12	-14	-15	-15	-19	-24	-21	-18	-16

Freezing level m	2600	2050	2200	2100	1350	1750	2150	1500	1950	1950	1650	1750	1350	800	1150	1300	700
Cloud base (m)	2600	2050	2250	2300	1800	5100	7300		1950	2500	1800	1800	1800	1800	1850	1850	1800

	—	—	6:54	—	—	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—
	7:28	—	—	7:30	—	—	7:30	—	—	7:31	—	—	7:32	—	—	7:35	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 1°C on Sat afternoon, min -6°C on Mon morning). Winds decreasing (gales from the WSW on Sun afternoon, calm by Mon 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 Fri morning, min -11°C on Wed night). Winds decreasing (gales from the SW on Wed morning, light winds from the NNE 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	12° C	Dry	Calm (0 kph at 221).
Bend 34 km E 1164.6m alt. 1 hour ago	16° C	Dry	Light winds from the WSW (6 kph at 252).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	12° C	Dry and partly cloudy.	Moderate winds from the W (24 kph at 260).	16 km Low: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	7° C	Dry	Calm (5 kph at 300).
Bend 37 km SSE 1297m alt. 51 minutes ago	11° C	Dry	Calm (0 kph at 208).
Bend 37 km ESE 1158m alt. 1 hour ago	15° C	Dry	Calm (0 kph at 259).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	13° C	Dry	Light winds from the W (8 kph at 277).
Rainbow wx 41 km WSW 410m alt. 38 minutes ago	7° C	Dry	Light winds from the SW (11 kph at 222).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	15° C	Dry	Calm (2 kph at 189).
La Pine 43 km SSE 1298m alt. 1 hour ago	12° C	Dry	Calm (2 kph at 277).

* 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.