– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Thu 19 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Thu 19 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 8°C on Thu afternoon, min -3°C on Sat morning). Winds decreasing (near gales from the WSW on Thu night, moderate winds from the W by Sat night).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 4°C on Tue afternoon, min -6°C on Tue night). Winds increasing (light winds from the WSW on Sun morning, stormy winds from the WSW by Tue afternoon).
	Thursday 19			Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	cloudy	rain shwrs	snow shwrs	clear	clear	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	light rain	light rain	mod. snow
km/h	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	2	—	—	—	—	—	—	—	—	—	—	9
mm	—	—	—	—	—	0.1	—	—	—	—	—	—	—	—	—	0.2	0.1	—
max °C	7	8	6	7	7	4	-2	-1	-1	2	3	1	1	-1	2	2	4	0
min °C	6	8	5	6	6	1	-3	-3	-3	-1	3	1	1	-1	-1	2	2	-6
chill °C	0	3	-1	0	0	-7	-12	-11	-10	-6	-1	-4	-5	-7	-9	-6	-8	-18

Freezing level m	3550	3700	3650	3500	3350	2800	1950	2250	1450	2850	2850	2850	2650	2400	3150	2950	3000	1300
Cloud base (m)						1850	1850			7200	6850	5350	4200	3300	2500	2400	2750	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 -3°C on Sat morning). Winds decreasing (near gales from the WSW on Thu night, moderate winds from the W by Sat night).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 4°C on Tue afternoon, min -6°C on Tue night). Winds increasing (light winds from the WSW on Sun morning, 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	21° C	Dry	Calm (5 kph at 291).
Bend 34 km E 1164.6m alt. 48 minutes ago	21° C	Dry	Light winds from the WSW (11 kph at 244).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	11° C	Clear	Light winds from the S (13 kph at 180).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	11° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	19° C	Dry	Calm (3 kph at 128).
Bend 37 km ESE 1158m alt. 59 minutes ago	19° C	Dry	Calm (3 kph at 189).
Bend wx 39 km E 1118m alt. 3 hours ago	12° C	Dry	Light winds from the SSW (10 kph at 211).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	18° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	15° C	Dry	Wind obs. (11 kph from 165 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 48 minutes ago	22° C	Dry	Calm (2 kph at 113).

* 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.