– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Thu 28 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Thu 28 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 35mm), mostly on Thu night. Becoming colder with a light covering of snow ,mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Thu morning, min -2°C on Fri night). Winds increasing (light winds from the NNE on Thu morning, fresh winds from the NNW by Fri morning).									Days 4–6 Weather Summary Mostly dry. Very mild (max 13°C on Tue afternoon, min 1°C on Sun morning). Wind will be generally light.
	Thursday 28			Friday 29			Saturday 30			Sunday 31			Monday 1			Tuesday 2
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	risk tstorm	light snow	light snow	light snow	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	cloudy
km/h	NNE	NW	NNW	NNW	WNW	WNW	NW	WNW	NW	NNW	SW	WSW	SSW	NW	SSW	SW	WNW	SW
See all weather maps
cm	—	—	3	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.1	12	23	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	9	7	5	1	2	1	-1	1	0	3	5	4	7	11	9	11	13	9
min °C	8	5	1	1	1	-2	-2	1	-1	1	5	3	6	9	7	9	11	5
chill °C	4	1	-5	-5	-5	-7	-6	-2	-6	-3	5	-1	6	9	4	7	10	1

Freezing level m	3650	3450	3100	2650	3050	2450	2400	2700	1950	2950	3100	3200	3400	3800	3850	3900	3900	3650
Cloud base (m)		2200	1850	1800	1800	1800											4800	5850

	5:28	—	—	5:28	—	—	5:28	—	—	5:26	—	—	5:26	—	—	5:26	—	—
	—	—	8:38	—	—	8:39	—	—	8:40	—	—	8:42	—	—	8:43	—	—	8:43

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Heavy rain (total 35mm), mostly on Thu night. Becoming colder with a light covering of snow ,mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Thu morning, min -2°C on Fri night). Winds increasing (light winds from the NNE on Thu morning, fresh winds from the NNW by Fri morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 13°C on Tue afternoon, min 1°C on Sun morning). Wind will be generally light.

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	19° C	Dry	Calm (0 kph at 358).
Bend 34 km E 1147m alt. 2 hours ago	15° C	Dry	Calm (3 kph at 29).
Bend 34 km E 1164.6m alt. 1 hour ago	18° C	Dry	Calm (5 kph at 337).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	11° C	Dry and partly cloudy.	Light winds from the SSE (7 kph at 150).	13 km Low: scattered Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 43 minutes ago	17° C	Dry	Calm (5 kph at 146).
Bend 37 km SSE 1297m alt. 2 hours ago	11° C	Dry	Calm (2 kph at 327).
Bend 37 km ESE 1158m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 217).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	20° C	Dry	Calm (0 kph at 22).
Rainbow wx 41 km WSW 410m alt. 38 minutes ago	16° C	Dry	Calm (3 kph at 194).
Cloverdale wx 42 km NE 947m alt. 48 minutes ago	22° C	Dry	Calm (3 kph at 80).

* 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.