– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 9 pm Thu 12 Nov Local Time

Updates in:

hr min s

Update imminent

Issued: 9 pm Thu 12 Nov 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 Fri afternoon. Freeze-thaw conditions (max 4°C on Thu night, min -5°C on Fri afternoon). Winds decreasing (severe gales from the SSW on Thu night, light winds from the SW by Sun afternoon).										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -4°C on Tue night, min -9°C on Wed afternoon). Winds decreasing (strong winds from the SSW on Tue night, calm by Wed afternoon).
		Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	light snow	light snow	light snow	cloudy	light snow	light snow	light snow	some clouds	some clouds	clear	some clouds	clear	clear	snow shwrs
Cloud base (m)	6800	1850	1850	1800	1850	1800	2000	1800	1800	1800	1850	1850	1800			2200
km/h	SSW	S	WSW	WSW	WSW	SW	SW	SW	SW	WSW	W	WNW	WNW	W	SW	SSW
See all weather maps
cm	—	2	4	5	2	—	2	2	2	—	—	—	—	—	—	5
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	-1	-4	-4	-4	-1	0	-3	-4	-5	-6	-6	-7	-5	-5	-4
min °C	0	-2	-5	-5	-4	-2	-2	-3	-5	-7	-6	-7	-8	-6	-5	-7
chill °C	-9	-9	-14	-15	-13	-10	-11	-11	-10	-13	-11	-12	-14	-12	-12	-14

Freezing level m	2950	2400	1850	1600	1850	2100	2450	2000	1850	1400	1650	1600	950	1600	1750	1250

	—	6:58	—	—	7:01	—	—	7:01	—	—	7:03	—	—	7:05	—	—
	—	—	4:42	—	—	4:40	—	—	4:39	—	—	4:38	—	—	4:37	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 4°C on Thu night, min -5°C on Fri afternoon). Winds decreasing (severe gales from the SSW on Thu night, light winds from the SW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -4°C on Tue night, min -9°C on Wed afternoon). Winds decreasing (strong winds from the SSW on Tue night, calm by Wed afternoon).

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. 42 minutes ago	5°C	Dry	Calm (0 kph at 189).
Bend 34 km E 1147m alt. 24 minutes ago	12°C	Dry	Light winds from the SSW (6 kph at 196).
Bend 34 km E 1164.6m alt. 1 hour ago	14°C	Dry	Light winds from the SSW (8 kph at 208).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	13°C	Clear	Moderate winds from the SSW (26 kph at 210).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 47 minutes ago	10°C	Dry	Wind obs. (6 kph from 248 degs) was rejected.
Bend 37 km SSE 1297m alt. 25 minutes ago	12°C	Dry	Calm (2 kph at 158).
Camp Sherman 39 km NNE 920.5m alt. 29 minutes ago	6°C	Dry	Calm (0 kph at 173).
Rainbow wx 41 km WSW 410m alt. 40 minutes ago	12°C	Dry	Moderate winds from the ESE (21 kph at 121).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	6°C	Dry	Calm (0 kph at 16).
La Pine 43 km SSE 1298m alt. 29 minutes ago	12°C	Dry	Calm (3 kph at 194).

* 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.