– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 pm Fri 25 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Fri 25 Sep Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Sun night, min -5°C on Fri afternoon). Winds decreasing (gales from the W on Fri afternoon, light winds from the WSW by Sat morning).											Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Mon night, min -5°C on Thu morning). Winds increasing (light winds from the WNW on Wed afternoon, strong winds from the WNW by Thu morning).
	Fri 25		Saturday 26			Sunday 27			Monday 28			Tuesday 29			Wednesday 30
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	rain shwrs	clear	some clouds
Cloud base (m)	1850	1800	7400	6650	6250		3400			9250		7150			8350	3100	7950
km/h	W	NW	WSW	S	SSW	SSW	WNW	WNW	NW	WNW	NW	W	W	W	WNW	SW	WNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.1	—	—
max °C	-5	-3	-2	-2	0	0	0	1	1	2	5	5	5	5	2	2	1
min °C	-5	-5	-3	-2	0	0	-1	0	1	2	3	4	4	1	0	1	0
chill °C	-16	-14	-8	-5	-6	-4	-4	-5	-4	0	-1	-2	-2	-6	-6	-3	-7

Freezing level m	2350	2350	2850	2950	3150	3100	3050	3250	3400	3550	3900	3950	3950	3650	3600	3400	3200

	—	—	6:58	—	—	6:58	—	—	7:00	—	—	7:01	—	—	7:03	—	—
	6:59	—	—	6:57	—	—	6:54	—	—	6:53	—	—	6:52	—	—	6:50	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 1°C on Sun night, min -5°C on Fri afternoon). Winds decreasing (gales from the W on Fri afternoon, light winds from the WSW by Sat morning).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Mon night, min -5°C on Thu morning). Winds increasing (light winds from the WNW on Wed afternoon, strong winds from the WNW by Thu morning).

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 87).
Bend 34 km E 1147m alt. 46 minutes ago	7°C	Dry	Calm (0 kph at 14).
Bend 34 km E 1164.6m alt. 1 hour ago	8°C	Dry	Calm (2 kph at 65).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	8°C	Dry and cloudy.	Light winds from the SSW (17 kph at 210).	16 km Low: broken Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	4°C	Dry	Calm (5 kph at 305).
Bend 37 km SSE 1297m alt. 45 minutes ago	6°C	Dry	Calm (3 kph at 284).
Bend 37 km ESE 1158m alt. 1 hour ago	8°C	Dry	Calm (0 kph at 190).
Deschutes River Woods wx 40 km ESE 1185m alt. 49 minutes ago	7°C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	6°C	Dry	Calm (5 kph at 272).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	7°C	Dry	Calm (0 kph at 243).

* 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.