– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 10 am Thu 24 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Thu 24 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 6°C on Thu morning, min -7°C on Fri afternoon). Winds decreasing (stormy winds from the WSW on Fri morning, light winds from the WNW by Sat morning).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon night, min -2°C on Sun morning). Winds increasing (light winds from the NW on Sun afternoon, gales from the W by Tue afternoon).
	Thursday 24			Friday 25			Saturday 26			Sunday 27			Monday 28			Tuesday 29
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	light snow	light snow	light snow	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	some clouds	some clouds	some clouds	snow shwrs
Cloud base (m)	6850	6200	1800	1850	1800	1800		7200	6350	6250	3300	7200	8950		5100	6200	3150	1800
km/h	SW	SSW	SW	WSW	W	NW	WNW	S	SW	SW	NW	NW	NNW	WNW	WNW	W	W	WNW
See all weather maps
cm	—	—	4	4	2	—	—	—	—	—	—	—	—	—	—	—	—	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	5	5	-6	-6	-4	-3	-3	-1	-2	-2	0	0	2	4	3	3	1
min °C	5	5	-5	-6	-7	-6	-3	-3	-2	-2	-2	-1	-1	0	2	3	2	-1
chill °C	-2	-1	-17	-19	-19	-16	-7	-6	-6	-6	-5	-6	-7	-4	-4	-5	-6	-10

Freezing level m	4000	3950	2750	2150	2100	1850	2750	2800	2900	2900	2900	3150	3150	3450	3750	3700	3500	3000

	6:56	—	—	6:56	—	—	6:58	—	—	6:58	—	—	7:00	—	—	7:01	—	—
	—	7:00	—	—	6:59	—	—	6:57	—	—	6:54	—	—	6:53	—	—	6:52	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 6°C on Thu morning, min -7°C on Fri afternoon). Winds decreasing (stormy winds from the WSW on Fri morning, light winds from the WNW by Sat morning).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon night, min -2°C on Sun morning). Winds increasing (light winds from the NW on Sun afternoon, gales from the W by Tue afternoon).

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	18°C	Dry	Calm (0 kph at 37).
Bend 34 km E 1147m alt. 1 hour ago	24°C	Dry	Calm (3 kph at 263).
Bend 34 km E 1164.6m alt. 36 minutes ago	26°C	Dry	Calm (5 kph at 264).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	24°C	Clear	Light winds from the SW (13 kph at 220).	14 km
Black Butte Ranch wx 36 km NW 1429m alt. 45 minutes ago	18°C	Dry	Wind obs. (6 kph from 315 degs) was rejected.
Bend 37 km SSE 1297m alt. 46 minutes ago	24°C	Dry	Wind obs. (6 kph from 251 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	25°C	Dry	Calm (2 kph at 238).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	24°C	Dry	Calm (3 kph at 259).
Rainbow wx 41 km WSW 410m alt. 36 minutes ago	17°C	Dry	Fresh winds from the SW (29 kph at 215).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	21°C	Dry	Calm (0 kph at 71).

* 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.