– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 am Mon 21 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Mon 21 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Mild temperatures (max 6°C on Mon morning, min 3°C on Tue night). Winds increasing (calm on Mon morning, near gales from the SW by Wed night).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 4°C on Thu morning, min -7°C on Fri morning). Winds decreasing (severe gales from the SW on Thu night, light winds from the WNW by Fri night).
	Monday 21			Tuesday 22			Wednesday 23			Thursday 24			Friday 25			Saturday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	cloudy	some clouds	clear	clear	some clouds	some clouds	some clouds	cloudy	mod. snow	snow shwrs	some clouds	some clouds	some clouds	clear	some clouds
Cloud base (m)				6850			6600	6400	7250		6250	1800	1850	7250	6300	6600	8450	4800
km/h	WSW	WSW	WSW	W	WSW	WSW	SW	SSW	SW	SW	SSW	WSW	WNW	NNW	WSW	SSW	SSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	6	1	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	6	6	4	4	4	3	4	5	4	3	0	-7	-3	1	2	1	1
min °C	5	6	5	4	4	3	3	3	4	4	3	-6	-7	-4	-3	1	0	-3
chill °C	3	5	1	0	0	-2	-3	-2	-2	-3	-4	-18	-18	-10	-6	-3	-6	-12

Freezing level m	3950	4050	3900	3700	3750	3800	3650	3800	3950	3700	3650	2550	2200	2700	3100	3450	3300	3050

	6:52	—	—	6:52	—	—	6:54	—	—	6:56	—	—	6:56	—	—	6:58	—	—
	—	7:06	—	—	7:05	—	—	7:02	—	—	7:00	—	—	6:59	—	—	6:57	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Mild temperatures (max 6°C on Mon morning, min 3°C on Tue night). Winds increasing (calm on Mon morning, near gales from the SW by Wed night).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 4°C on Thu morning, min -7°C on Fri morning). Winds decreasing (severe gales from the SW on Thu night, light winds from the WNW by Fri night).

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	8°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 51 minutes ago	8°C	Dry	Calm (3 kph at 339).
Bend 34 km E 1164.6m alt. 49 minutes ago	13°C	Dry	Calm (3 kph at 179).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	4°C	Clear	Calm (0 kph at 0).	16 km
Bend 37 km SSE 1297m alt. 51 minutes ago	1°C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	10°C	Dry	Calm (0 kph at 153).
Deschutes River Woods wx 40 km ESE 1185m alt. 51 minutes ago	7°C	Dry	Calm (3 kph at 340).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	13°C	Dry	Light winds from the SW (14 kph at 229).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	6°C	Dry	Calm (0 kph at 237).
La Pine 43 km SSE 1298m alt. 55 minutes ago	2°C	-	Calm (0 kph at 254).

* 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.