– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Wed 04 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Wed 04 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 6°C on Wed afternoon, min -3°C on Fri night). Winds decreasing (strong winds from the SE on Thu morning, light winds from the SW by Thu night).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Sun morning. Temperatures will be below freezing (max -2°C on Sat afternoon, min -14°C on Mon night). Winds decreasing (severe gales from the WSW on Sat night, light winds from the SW by Tue morning).
	Wed 4		Thursday 5			Friday 6			Saturday 7			Sunday 8			Monday 9
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	clear	clear	some clouds	clear	clear	some clouds	some clouds	light snow	mod. snow	light snow	snow shwrs	cloudy	snow shwrs	snow shwrs
km/h	SSW	SE	SE	SW	WSW	WSW	WNW	SW	WSW	WSW	WSW	WSW	SW	W	W	W	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	1	6	5	10	—	2	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	6	5	2	2	-1	-2	-2	-2	-2	-2	-4	-5	-8	-12	-13	-14
min °C	6	5	3	2	0	-1	-2	-3	-3	-3	-3	-4	-6	-11	-12	-13	-14
chill °C	3	-1	-3	-3	-3	-3	-6	-12	-12	-12	-13	-14	-17	-23	-24	-26	-26

Freezing level m	4000	4050	3850	3500	3350	3050	2850	2750	2750	2800	2700	2450	2300	1450	1350	1400	1000
Cloud base (m)		9150				9350	7050	9300	9300	5850	2450	1950	1800	1800	1800	1800	1800

	—	—	7:18	—	—	7:18	—	—	7:16	—	—	7:15	—	—	7:13	—	—
	5:21	—	—	5:22	—	—	5:23	—	—	5:24	—	—	5:27	—	—	5:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 6°C on Wed afternoon, min -3°C on Fri night). Winds decreasing (strong winds from the SE on Thu morning, light winds from the SW by Thu night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun morning. Temperatures will be below freezing (max -2°C on Sat afternoon, min -14°C on Mon night). Winds decreasing (severe gales from the WSW on Sat night, light winds from the SW by Tue 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. 1 hour ago	2° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 52 minutes ago	7° C	Dry	Calm (0 kph at 321).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	0° C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 51 minutes ago	12° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	-1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 311).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	1° C	-	Calm (0 kph at 349).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	3° C	Dry	Calm (0 kph at —).
Bend 40 km E 1102m alt. 52 minutes ago		-	Calm (3 kph at 3).

* 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.