– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Tue 22 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Tue 22 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 5mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 10°C on Tue afternoon, min -3°C on Fri morning). Winds increasing (light winds from the W on Tue afternoon, gales from the WSW by Thu night).											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 6°C on Sat afternoon, min -3°C on Fri afternoon). Winds decreasing (strong winds from the W on Fri afternoon, calm by Sat morning).
	Tue 22		Wednesday 23			Thursday 24			Friday 25			Saturday 26			Sunday 27
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	some clouds	clear	some clouds	some clouds	rain shwrs	light snow	snow shwrs	some clouds	some clouds	cloudy	cloudy	cloudy	cloudy	cloudy
Cloud base (m)			6950	6700	9600	7250	7100	1800	1850	1800	8750	7100	5750	5900	3300	2200	1800
km/h	WSW	WSW	SW	SW	SW	SW	SSW	SW	W	W	NNW	SE	SSE	SSW	SSW	SW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	3	1	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	5	—	—	—	—	—	—	—	—	—
max °C	10	6	8	9	7	10	10	8	-2	-2	0	4	6	4	2	0	-1
min °C	9	6	6	8	6	8	10	0	-3	-3	-2	1	5	3	1	-1	-2
chill °C	8	3	3	6	2	4	6	-9	-12	-11	-8	1	2	0	-2	-6	-6

Freezing level m	3800	3800	3650	3750	3900	3900	3900	2900	2000	2200	2100	3300	3300	3250	2700	2350	2200

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

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Light rain (total 5mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 10°C on Tue afternoon, min -3°C on Fri morning). Winds increasing (light winds from the W on Tue afternoon, gales from the WSW by Thu night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 6°C on Sat afternoon, min -3°C on Fri afternoon). Winds decreasing (strong winds from the W on Fri afternoon, calm by Sat morning).

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	8°C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 52 minutes ago	9°C	Dry	Calm (0 kph at 325).
Bend 34 km E 1164.6m alt. 1 hour ago	13°C	Dry	Calm (2 kph at 38).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	10°C	Clear	Calm (0 kph at 0).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	7°C	Dry	Calm (2 kph at 267).
Bend 37 km SSE 1297m alt. 51 minutes ago	10°C	Dry	Calm (2 kph at 303).
Bend 37 km ESE 1158m alt. 1 hour ago	11°C	Dry	Calm (0 kph at 321).
Deschutes River Woods wx 40 km ESE 1185m alt. 54 minutes ago	9°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	10°C	Dry	Wind obs. (8 kph from 213 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 1 hour ago	11°C	Dry	Calm (0 kph at 178).

* 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.