– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Wed 18 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Wed 18 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 8°C on Thu afternoon, min -4°C on Sat morning). Winds decreasing (near gales from the WSW on Fri night, fresh winds from the W by Sat afternoon).										Days 5–7 Weather Summary A light covering of new snow mostly falling on Tue afternoon. Freeze-thaw conditions (max 2°C on Sun afternoon, min -7°C on Tue afternoon). Winds increasing (light winds from the WSW on Sun afternoon, stormy winds from the WSW by Tue afternoon).
		Thursday 19			Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	light snow	snow shwrs	clear	clear	clear	clear	some clouds	cloudy	some clouds	some clouds	light snow	light snow	heavy snow
km/h	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	WSW	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	2	2	—	—	—	—	—	—	—	—	2	5	12
mm	—	—	—	—	—	—	0.1	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	7	8	7	7	7	3	-3	-2	-1	1	2	2	1	0	-1	0	-4	-11
min °C	5	5	8	6	6	5	-1	-4	-3	-3	-2	2	1	1	-1	-2	0	-7	-14
chill °C	-1	-1	3	0	0	-1	-10	-13	-11	-10	-7	-2	-4	-4	-8	-10	-10	-20	-28

Freezing level m	3700	3500	3650	3700	3550	3300	2750	1800	2150	1450	2700	2800	2950	2650	2350	2150	2550	1250	550
Cloud base (m)	8850						1900	1800			8450	8700	6050	4950	3500	2750	1800	1800	1800

	—	7:11	—	—	7:09	—	—	7:09	—	—	7:07	—	—	7:05	—	—	7:03	—	—
	—	—	7:16	—	—	7:19	—	—	7:20	—	—	7:21	—	—	7:22	—	—	7:22	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 8°C on Thu afternoon, min -4°C on Sat morning). Winds decreasing (near gales from the WSW on Fri night, fresh winds from the W by Sat afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Tue afternoon. Freeze-thaw conditions (max 2°C on Sun afternoon, min -7°C on Tue afternoon). Winds increasing (light winds from the WSW on Sun afternoon, stormy winds from the WSW by Tue afternoon).

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	7° C	Dry	Calm (2 kph at 324).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 44 minutes ago	12° C	Dry	Light winds from the SSW (8 kph at 206).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	0° C	Clear	Light winds from the S (6 kph at 190).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	12° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 48 minutes ago	-3° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 182).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	6° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	14° C	Dry	Light winds from the S (11 kph at 169).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 257).

* 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.