– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Mon 21 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 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. Very mild (max 12°C on Mon afternoon, min 5°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the SW by Wed night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 10°C on Thu morning, min -2°C on Fri morning). Winds decreasing (near gales from the SW on Thu night, calm 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	clear	clear	some clouds	some clouds	clear	some clouds	cloudy	rain shwrs	snow shwrs	some clouds	some clouds	cloudy	cloudy	some clouds
Cloud base (m)				6750			6450	5750	6750	7100	6850	2600	1850		6450	5000	4650	6100
km/h	SW	WSW	WSW	W	W	WSW	SW	SW	SW	SW	SW	WSW	WNW	NW	WNW	SSW	SW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	2	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	0.7	—	—	—	—	—	—
max °C	11	12	9	8	9	6	8	9	7	10	10	5	-2	2	4	7	8	6
min °C	10	11	7	7	8	5	6	8	7	8	9	1	-2	-1	0	4	7	4
chill °C	10	10	4	4	5	1	2	5	3	3	4	-7	-10	-7	-4	3	4	-2

Freezing level m	3950	4050	3850	3700	3750	3800	3650	3800	3900	3850	3800	2700	2200	2800	3400	3800	3450	3450

	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. Very mild (max 12°C on Mon afternoon, min 5°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the SW by Wed night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 10°C on Thu morning, min -2°C on Fri morning). Winds decreasing (near gales from the SW on Thu night, calm by Fri 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. 1 hour ago	28°C	Dry	Calm (2 kph at 108).
Bend 34 km E 1147m alt. 1 hour ago	27°C	Dry	Calm (5 kph at 16).
Bend 34 km E 1164.6m alt. 2 hours ago	29°C	Dry	Calm (2 kph at 134).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	25°C	Clear	Wind obs. (7 kph from 290 degs) was rejected.	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 3 hours ago	20°C	Dry	Calm (3 kph at 290).
Bend 37 km SSE 1297m alt. 49 minutes ago	26°C	Dry	Calm (3 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	28°C	Dry	Calm (0 kph at 232).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	27°C	Dry	Calm (2 kph at 253).
Rainbow wx 41 km WSW 410m alt. 39 minutes ago	17°C	Dry	Light winds from the SSW (16 kph at 203).
Cloverdale wx 42 km NE 947m alt. 56 minutes ago	29°C	Dry	Calm (2 kph at 340).

* 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.