– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Sun 22 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sun 22 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 4°C on Sun afternoon, min -5°C on Tue night). Winds increasing (calm on Sun morning, severe gales from the WSW by Tue afternoon).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Wed morning. Freeze-thaw conditions (max 6°C on Fri afternoon, min -10°C on Wed afternoon). Winds decreasing (gales from the WSW on Wed morning, calm by Thu night).
	Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	some clouds	some clouds	some clouds	light rain	cloudy	mod. snow	light snow	light snow	snow shwrs	clear	clear	clear	some clouds	some clouds	some clouds
km/h	W	SW	WSW	WSW	SW	W	SW	WSW	WSW	WSW	W	WNW	NW	WNW	SSW	SSE	SSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	6	3	2	1	—	—	—	—	—	—
mm	—	—	—	—	—	—	0.1	—	—	—	—	—	—	—	—	—	—	—
max °C	3	4	2	3	4	2	3	2	1	-7	-9	-9	-4	-2	-1	3	6	4
min °C	0	4	1	1	3	1	2	2	-5	-8	-10	-10	-7	-3	-3	0	5	4
chill °C	-3	3	-4	-3	-1	-6	-5	-7	-16	-20	-20	-19	-14	-7	-5	-2	2	2

Freezing level m	3000	3100	3000	2900	2950	3000	3000	2850	2050	1000	1200	400	1600	2300	1500	3350	3550	3550
Cloud base (m)	7050	6350	5100	5750	5800	2950	2450	2050	1800	1800	1800	1800			9100	6900	6450	5950

	7:07	—	—	7:05	—	—	7:03	—	—	7:01	—	—	6:58	—	—	6:58	—	—
	—	7:21	—	—	7:22	—	—	7:22	—	—	7:24	—	—	7:25	—	—	7:27	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 4°C on Sun afternoon, min -5°C on Tue night). Winds increasing (calm on Sun morning, severe gales from the WSW by Tue afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Wed morning. Freeze-thaw conditions (max 6°C on Fri afternoon, min -10°C on Wed afternoon). Winds decreasing (gales from the WSW on Wed morning, 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. 49 minutes ago	12° C	Dry	Calm (2 kph at 101).
Bend 34 km E 1164.6m alt. 36 minutes ago	15° C	Dry	Calm (3 kph at 40).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	12° C	Clear	Light winds from the N (7 kph at 1).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 39 minutes ago	9° C	Dry	Calm (5 kph at 84).
Bend 37 km SSE 1297m alt. 1 hour ago	15° C	Dry	Calm (5 kph at 134).
Bend 37 km ESE 1158m alt. 47 minutes ago	16° C	Dry	Calm (0 kph at 47).
Bend wx 39 km E 1118m alt. 1 hour ago	16° C	Dry	Light winds from the ENE (6 kph at 75).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	14° C	Dry	Calm (3 kph at 18).
Rainbow wx 41 km WSW 410m alt. 56 minutes ago	13° C	Dry	Calm (2 kph at 304).
Cloverdale wx 42 km NE 947m alt. 41 minutes ago	13° C	Dry	Calm (2 kph at 26).

* 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.