– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sat 21 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sat 21 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 4°C on Sun afternoon, min -2°C on Sat morning). Winds decreasing (strong winds from the WSW on Sat morning, calm by Sun afternoon).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Tue afternoon. Freeze-thaw conditions (max 1°C on Tue morning, min -9°C on Wed night). Winds decreasing (gales from the WSW on Tue afternoon, calm by Thu night).
	Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	clear	clear	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	cloudy	light snow	snow shwrs	some clouds	some clouds	clear	clear	clear	clear
km/h	W	W	W	NW	SSW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	WNW	WNW	W	SW
See all weather maps
cm	1	—	—	—	—	—	—	—	—	—	3	3	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-1	-1	2	4	2	2	3	1	1	1	-2	-6	-6	-7	-3	-1	1
min °C	-2	-1	-2	0	3	1	1	3	0	1	0	-6	-7	-7	-9	-6	-2	-1
chill °C	-11	-8	-9	-4	2	-3	-3	-1	-8	-7	-9	-17	-18	-16	-18	-13	-6	-4

Freezing level m	2300	2400	1500	2850	2950	3000	2850	2950	2700	2800	2550	1350	1650	1700	900	1950	2400	2750
Cloud base (m)	1800		8700	7050	6300	5300	6250	5400	2700	2000	1850	1800		2600	1800			9450

	7:09	—	—	7:07	—	—	7:05	—	—	7:03	—	—	7:01	—	—	6:58	—	—
	—	7:20	—	—	7:21	—	—	7:22	—	—	7:22	—	—	7:24	—	—	7:25	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Sun afternoon, min -2°C on Sat morning). Winds decreasing (strong winds from the WSW on Sat morning, calm by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Tue afternoon. Freeze-thaw conditions (max 1°C on Tue morning, min -9°C on Wed night). Winds decreasing (gales from the WSW on Tue afternoon, calm by Thu 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. 55 minutes ago	9° C	Dry	Calm (2 kph at 41).
Bend 34 km E 1164.6m alt. 1 hour ago	10° C	Dry	Calm (5 kph at 5).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	7° C	Dry and cloudy.	Wind obs. (19 kph from 20 degs) was rejected.	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4° C	Dry	Calm (2 kph at 301).
Bend 37 km SSE 1297m alt. 1 hour ago	10° C	Dry	Wind obs. (8 kph from 360 degs) was rejected.
Bend 37 km ESE 1158m alt. 54 minutes ago	9° C	Dry	Calm (2 kph at 316).
Deschutes River Woods wx 40 km ESE 1185m alt. 42 minutes ago	8° C	Dry	Calm (2 kph at 41).
Rainbow wx 41 km WSW 410m alt. 59 minutes ago	6° C	Dry	Calm (3 kph at 44).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	10° C	Dry	Calm (2 kph at 76).
La Pine 43 km SSE 1298m alt. 1 hour ago	9° C	Dry	Calm (3 kph at 313).

* 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.