– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Tue 06 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Tue 06 Oct 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 15°C on Tue afternoon, min 9°C on Thu night). Winds increasing (calm on Thu morning, fresh winds from the W by Thu night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 8°C on Fri morning, min -7°C on Sat night). Winds decreasing (near gales from the W on Fri afternoon, light winds from the NE by Sat night).
	Tuesday 6			Wednesday 7			Thursday 8			Friday 9			Saturday 10			Sunday 11
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	rain shwrs	some clouds	some clouds	some clouds	snow shwrs	snow shwrs	clear	clear
Cloud base (m)										8750	2300	1850	1800	2150	1850	1800	1900	2100
km/h	WSW	SW	SW	WSW	WSW	WSW	WSW	WSW	W	W	W	WNW	NW	NNW	NE	ENE	ENE	ESE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	2	—	—
mm	—	—	—	—	—	—	—	—	—	—	0.1	—	—	—	—	—	—	—
max °C	14	15	13	14	15	12	14	14	11	8	6	2	-3	-4	-6	-6	-2	0
min °C	12	15	12	12	14	11	11	14	9	8	3	-2	-4	-5	-7	-7	-4	-2
chill °C	10	14	10	10	13	10	11	13	5	3	-4	-9	-10	-10	-15	-17	-13	-10

Freezing level m	4450	4450	4400	4300	4400	4450	4450	4450	4350	3800	3050	2150	1950	1900	1450	1450	2000	1250

	7:09	—	—	7:11	—	—	7:11	—	—	7:13	—	—	7:15	—	—	7:16	—	—
	—	6:38	—	—	6:37	—	—	6:35	—	—	6:34	—	—	6:31	—	—	6:30	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 15°C on Tue afternoon, min 9°C on Thu night). Winds increasing (calm on Thu morning, fresh winds from the W by Thu night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 8°C on Fri morning, min -7°C on Sat night). Winds decreasing (near gales from the W on Fri afternoon, light winds from the NE by Sat 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. 59 minutes ago	27°C	Dry	Calm (2 kph at 123).
Bend 34 km E 1147m alt. 52 minutes ago	27°C	Dry	Light winds from the NNE (6 kph at 25).
Bend 34 km E 1164.6m alt. 24 minutes ago	27°C	Dry	Calm (3 kph at 67).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	28°C	Clear	Wind obs. (15 kph from 230 degs) was rejected.	11 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	22°C	Dry	Calm (0 kph at 259).
Bend 37 km SSE 1297m alt. 1 hour ago	27°C	Dry	Calm (3 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	27°C	Dry	Calm (5 kph at 319).
Deschutes River Woods wx 40 km ESE 1185m alt. 57 minutes ago	28°C	Dry	Calm (3 kph at 336).
Rainbow wx 41 km WSW 410m alt. 50 minutes ago	22°C	Dry	Wind obs. (13 kph from 217 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 21 minutes ago	28°C	Dry	Calm (3 kph at 46).

* 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.