– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Wed 20 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Wed 20 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min -1°C on Wed morning). Wind will be generally light.									Days 4–6 Weather Summary A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 5°C on Sat night, min -10°C on Mon night). Winds increasing (light winds from the WSW on Sat morning, stormy winds from the WSW by Mon afternoon).
	Wednesday 20			Thursday 21			Friday 22			Saturday 23			Sunday 24			Monday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	light snow	snow shwrs
km/h	NW	SE	N	E	NW	WNW	WSW	SW	W	WSW	WSW	W	SW	WSW	WSW	SW	WSW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	5
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	1	3	2	3	2	2	3	5	4	4	5	3	4	4	1	-2	-7
min °C	-1	0	1	0	2	2	1	3	4	4	4	3	2	3	2	-1	-5	-10
chill °C	-6	0	1	0	1	-1	1	1	-1	-1	0	-3	-3	-2	-6	-11	-18	-21

Freezing level m	3050	3300	3550	3250	3600	3500	3400	3700	3850	3750	3800	3750	3500	3700	3650	3000	2100	1650
Cloud base (m)		3300	6950	9050	3900						9200		9100			3600	2400	1800

	5:35	—	—	5:35	—	—	5:33	—	—	5:33	—	—	5:31	—	—	5:31	—	—
	—	—	8:30	—	—	8:31	—	—	8:32	—	—	8:34	—	—	8:35	—	—	8:36

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min -1°C on Wed morning). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 5°C on Sat night, min -10°C on Mon night). Winds increasing (light winds from the WSW on Sat morning, stormy winds from the WSW by Mon afternoon).

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	2° C	-	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	3° C	Dry	Calm (2 kph at 15).
Bend 34 km E 1164.6m alt. 58 minutes ago	7° C	Dry	Calm (3 kph at 221).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	0° C	Mist -.	Calm (0 kph at 0).	8 km Low: few
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 294).
Bend 37 km SSE 1297m alt. 1 hour ago	1° C	-	Calm (0 kph at 56).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 340).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	2° C	-	Calm (0 kph at 118).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	2° C	-	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	8° C	Dry	Calm (0 kph at 119).

* 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.