– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Tue 17 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 17 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Temperatures will be slightly above freezing (max 4°C on Tue morning, min 2°C on Wed night). Mainly severe gales.									Days 4–6 Weather Summary A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 3°C on Fri morning, min -7°C on Sat afternoon). Winds decreasing (severe gales from the W on Sat morning, light winds from the WSW by Sun night).
	Tuesday 17			Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	snow shwrs	snow shwrs	clear	clear	clear	clear	some clouds
km/h	WSW	WSW	W	WSW	WSW	WSW	WSW	WSW	W	WSW	WSW	WSW	W	WNW	WNW	WNW	W	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	4	2	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	4	4	3	3	3	3	2	3	3	2	0	-4	-7	-6	-7	-6	-2
min °C	3	3	4	3	3	2	3	2	3	2	1	-4	-6	-7	-7	-7	-7	-5
chill °C	-6	-5	-4	-5	-5	-7	-6	-7	-5	-7	-8	-15	-18	-18	-15	-16	-13	-12

Freezing level m	3650	3800	3900	3700	3700	3550	3550	3500	3600	3500	3350	2800	1650	2000	1050	2100	2350	2400
Cloud base (m)		9550			9250			4650	7000	7300		1800	1850				8600	7200

	7:16	—	—	7:13	—	—	7:11	—	—	7:09	—	—	7:09	—	—	7:07	—	—
	—	7:15	—	—	7:15	—	—	7:16	—	—	7:19	—	—	7:20	—	—	7:21	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Temperatures will be slightly above freezing (max 4°C on Tue morning, min 2°C on Wed night). Mainly severe gales.

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 3°C on Fri morning, min -7°C on Sat afternoon). Winds decreasing (severe gales from the W on Sat morning, light winds from the WSW by Sun night).

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	20° C	Dry	Calm (2 kph at 344).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 33 minutes ago	23° C	Dry	Light winds from the WSW (10 kph at 248).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	20° C	Clear	Light winds from the WSW (15 kph at 250).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	19° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 50 minutes ago	20° C	Dry	Wind obs. (6 kph from 304 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	23° C	Dry	Calm (2 kph at 221).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	22° C	Dry	Calm (0 kph at —).
Bend 40 km E 1102m alt. 1 hour ago		-	Calm (3 kph at 283).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	16° C	Dry	Light winds from the SW (8 kph at 228).

* 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.