– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Thu 29 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Thu 29 Jan 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. Temperatures will be below freezing (max -1°C on Thu night, min -8°C on Sun morning). Winds increasing (light winds from the W on Fri afternoon, severe gales from the SW by Sat night).											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Wed morning, min -10°C on Sun afternoon). Winds decreasing (gales from the WSW on Sun afternoon, light winds from the WSW by Wed morning).
	Thu 29		Friday 30			Saturday 31			Sunday 1			Monday 2			Tuesday 3
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	cloudy	some clouds	cloudy	cloudy	cloudy	light snow	snow shwrs	snow shwrs	some clouds	some clouds	clear	clear	clear	some clouds
km/h	W	WSW	WSW	WNW	WSW	SW	SW	SW	SW	WSW	W	WNW	WNW	W	WSW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	2	2	1	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-1	-4	-3	-2	-2	-2	-2	-7	-9	-8	-5	-4	0	1	1	3
min °C	-3	-3	-5	-3	-2	-2	-2	-6	-8	-10	-10	-7	-5	-3	0	1	1
chill °C	-11	-13	-16	-10	-8	-10	-11	-18	-20	-23	-21	-17	-13	-10	-5	-4	-4

Freezing level m	2550	2850	2550	2500	2750	2850	2800	2550	2200	1850	1450	1850	2300	2200	3250	3300	3450
Cloud base (m)	2450	5850	4700	2350	2000	6500	7000	6900	2950	1900	1800	1800	6850	2250	8650		7300

	—	—	7:26	—	—	7:24	—	—	7:24	—	—	7:22	—	—	7:22	—	—
	5:13	—	—	5:14	—	—	5:15	—	—	5:16	—	—	5:17	—	—	5:20	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Temperatures will be below freezing (max -1°C on Thu night, min -8°C on Sun morning). Winds increasing (light winds from the W on Fri afternoon, severe gales from the SW by Sat night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 4°C on Wed morning, min -10°C on Sun afternoon). Winds decreasing (gales from the WSW on Sun afternoon, light winds from the WSW by Wed morning).

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. 52 minutes ago	6° C	Dry	Calm (0 kph at 262).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	7° C	Dry	Light winds from the S (10 kph at 188).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	6° C	-	Light winds from the SW (13 kph at 230).	14 km Low: few Mid: few High: scattered
Black Butte Ranch wx 36 km NW 1429m alt. 47 minutes ago	7° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 51 minutes ago	7° C	Dry	Calm (0 kph at 228).
Bend wx 39 km E 1118m alt. 1 hour ago	7° C	Dry	Light winds from the SW (8 kph at 216).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 213).
Deschutes River Woods wx 40 km ESE 1185m alt. 38 minutes ago	7° C	Dry	Calm (3 kph at 267).

* 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.