– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sun 10 May Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 10 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. Mild temperatures (max 8°C on Tue afternoon, min 3°C on Sun afternoon). Winds increasing (light winds from the SW on Mon afternoon, near gales from the SSW by Tue night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Thu morning. Freeze-thaw conditions (max 4°C on Wed morning, min -7°C on Thu night). Winds increasing (calm on Wed night, severe gales from the W by Thu night).
	Sunday 10			Monday 11			Tuesday 12			Wednesday 13			Thursday 14			Friday 15
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	clear	clear	clear	clear	rain shwrs	some clouds	some clouds	cloudy	light snow	snow shwrs	light snow	light snow	snow shwrs	clear	clear	some clouds
km/h	SW	WSW	WSW	SW	SW	SW	S	SSE	S	S	SSW	SE	NW	W	WNW	NW	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	1	3	4	1	1	—	—	—
mm	—	—	—	—	—	—	0.1	—	—	—	—	—	—	—	—	—	—	—
max °C	4	4	5	4	6	7	7	8	8	4	1	1	-3	-4	-5	-3	-2	0
min °C	4	3	3	4	4	7	7	8	6	4	1	-2	-4	-6	-7	-3	-3	-1
chill °C	-2	-4	-4	-1	0	2	3	4	0	-2	1	-7	-12	-18	-20	-13	-8	-6

Freezing level m	3700	3650	3850	3800	4050	4100	4100	4200	4150	3700	3250	2950	2150	2100	1750	2650	2950	3100
Cloud base (m)	6050	6350		9500		8550	9150	5250	6200	3400	2050	1850	1800	1800	1800		7150	5850

	5:46	—	—	5:45	—	—	5:43	—	—	5:43	—	—	5:41	—	—	5:41	—	—
	—	—	8:20	—	—	8:21	—	—	8:22	—	—	8:23	—	—	8:24	—	—	8:25

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 8°C on Tue afternoon, min 3°C on Sun afternoon). Winds increasing (light winds from the SW on Mon afternoon, near gales from the SSW by Tue night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Thu morning. Freeze-thaw conditions (max 4°C on Wed morning, min -7°C on Thu night). Winds increasing (calm on Wed night, severe gales from the W by Thu 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. 36 minutes ago	18° C	Dry	Calm (2 kph at 86).
Bend 34 km E 1147m alt. 22 minutes ago	18° C	Dry	Calm (3 kph at 60).
Bend 34 km E 1164.6m alt. 57 minutes ago	19° C	Dry	Calm (3 kph at 348).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	14° C	Clear	Calm (0 kph at 0).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	14° C	Dry	Calm (3 kph at 342).
Bend 37 km SSE 1297m alt. 1 hour ago	18° C	Dry	Calm (0 kph at 14).
Bend 37 km ESE 1158m alt. 35 minutes ago	19° C	Dry	Calm (0 kph at 311).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 204).
Deschutes River Woods wx 40 km ESE 1185m alt. 21 minutes ago	18° C	Dry	Calm (3 kph at 291).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8° C	Dry	Light winds from the WSW (13 kph at 238).

* 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.