– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Wed 25 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Wed 25 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 2°C on Fri afternoon, min -13°C on Wed night). Winds decreasing (stormy winds from the WSW on Wed afternoon, light winds from the WSW by Thu afternoon).											Days 5–7 Weather Summary A light covering of new snow mostly falling on Mon afternoon. Temperatures will be below freezing (max -3°C on Sat night, min -10°C on Mon night). Winds decreasing (severe gales from the WSW on Mon morning, light winds from the W by Tue morning).
	Wed 25		Thursday 26			Friday 27			Saturday 28			Sunday 29			Monday 30
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	snow shwrs	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	clear	clear	clear	some clouds	some clouds	light snow	light snow	light snow
km/h	W	WNW	NW	WSW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W
See all weather maps
cm	1	3	—	—	—	—	—	—	—	—	—	—	—	—	2	3	4
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-9	-8	-6	0	1	2	0	-2	-4	-3	-4	-4	-4	-6	-6	-8
min °C	-10	-13	-9	-7	-4	1	1	-1	-3	-4	-4	-4	-5	-5	-7	-7	-10
chill °C	-24	-28	-19	-13	-9	-4	-5	-10	-12	-13	-14	-14	-15	-16	-20	-19	-22

Freezing level m	1550	600	1750	2400	2050	3350	3250	3100	2700	2650	2250	2550	2600	2300	1950	1800	1350
Cloud base (m)	1800	1800				6800	6250		6800		2750	2350	2250	2400	1850	1800	1800

	—	—	6:58	—	—	6:58	—	—	6:56	—	—	6:54	—	—	6:52	—	—
	7:24	—	—	7:25	—	—	7:27	—	—	7:28	—	—	7:30	—	—	7:30	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Fri afternoon, min -13°C on Wed night). Winds decreasing (stormy winds from the WSW on Wed afternoon, light winds from the WSW by Thu afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Mon afternoon. Temperatures will be below freezing (max -3°C on Sat night, min -10°C on Mon night). Winds decreasing (severe gales from the WSW on Mon morning, light winds from the W by Tue morning).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 3157 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	1° C	-	Calm (2 kph at 329).
Bend 34 km E 1164.6m alt. 2 hours ago	3° C	Dry	Calm (5 kph at 15).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	2° C	Dry and cloudy.	Light winds from the W (11 kph at 270).	16 km Low: broken Mid: overcast
Bend 37 km SSE 1297m alt. 1 hour ago	1° C	-	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	2° C	-	Calm (0 kph at 328).
Bend wx 39 km E 1118m alt. 3 hours ago	4° C	Dry	Calm (3 kph at 260).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	2° C	-	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	-2° C	-	Moderate winds from the WSW (23 kph at 255).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	3° C	Dry	Calm (0 kph at 209).
La Pine 43 km SSE 1298m alt. 2 hours ago	2° C	-	Calm (0 kph at 346).

* 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.