– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Mon 06 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Mon 06 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Mild temperatures (max 5°C on Mon night, min 1°C on Tue night). Winds decreasing (strong winds from the W on Tue afternoon, calm by Thu afternoon).										Days 5–7 Weather Summary Mild at first with light rain (total 4mm) on Fri afternoon followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 4°C on Fri morning, min -4°C on Sun morning). Winds increasing (calm on Fri afternoon, fresh winds from the SSE by Sat night).
		Tuesday 7			Wednesday 8			Thursday 9			Friday 10			Saturday 11			Sunday 12
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	some clouds	some clouds	cloudy	clear	clear	some clouds	light rain	rain shwrs	rain shwrs	light rain	heavy snow	light snow	snow shwrs	snow shwrs	cloudy	cloudy	some clouds
km/h	W	W	W	WNW	W	W	W	S	E	SE	SSE	N	W	S	S	SSE	SE	NW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	12	1	1	2	—	—	—
mm	—	—	—	—	—	—	—	—	0.3	0.2	0.1	3	—	—	—	—	—	—	—
max °C	5	4	4	2	3	4	2	3	4	3	4	4	1	-1	-1	-1	-4	-3	-3
min °C	2	2	3	1	2	3	1	2	3	2	3	3	0	-1	-1	-3	-4	-3	-3
chill °C	-4	-5	-4	-5	-3	-2	-2	0	2	-2	0	0	-5	-6	-6	-11	-10	-3	-7

Freezing level m	3300	3100	3000	3100	2900	2850	2850	2850	2900	2950	2950	2850	2450	2400	2400	2150	1950	1800	1250
Cloud base (m)		6800	7000	6650	4700	3450	8200	3050	2750	2850	3150	2600	1850	1950	1850	1950	1900	1850	1800

	—	6:37	—	—	6:35	—	—	6:33	—	—	6:31	—	—	6:31	—	—	6:28	—	—
	—	—	7:40	—	—	7:42	—	—	7:43	—	—	7:44	—	—	7:45	—	—	7:46	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 5°C on Mon night, min 1°C on Tue night). Winds decreasing (strong winds from the W on Tue afternoon, calm by Thu afternoon).

South Sister Volcano Weather (Days 3-6):

Mild at first with light rain (total 4mm) on Fri afternoon followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 4°C on Fri morning, min -4°C on Sun morning). Winds increasing (calm on Fri afternoon, fresh winds from the SSE by Sat night).

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. 2 hours ago	12° C	Dry	Calm (3 kph at 247).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	10° C	Dry	Wind obs. (10 kph from 168 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	5° C	Clear	Light winds from the SSW (11 kph at 210).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	4° C	Dry	Calm (3 kph at 304).
Bend 37 km SSE 1297m alt. 2 hours ago	-1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	10° C	Dry	Calm (0 kph at 210).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	11° C	Dry	Calm (5 kph at 222).
Cloverdale wx 42 km NE 947m alt. 46 minutes ago	2° C	-	Calm (0 kph at 198).
La Pine 43 km SSE 1298m alt. 2 hours ago	-1° C	-	Calm (0 kph at 222).

* 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.