– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Mon 17 Aug Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 17 Aug Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 16°C on Wed afternoon, min 11°C on Mon night). Wind will be generally light.											Days 5–7 Weather Summary Some drizzle, heaviest during Fri night. Very mild (max 18°C on Thu afternoon, min 8°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the SSW by Fri afternoon).
	Mon 17		Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	rain shwrs	clear	clear	clear	some clouds	clear	clear	clear	clear	light rain	cloudy	rain shwrs	rain shwrs	clear	clear	clear
Cloud base (m)	5700								6500	6050	5000	4600	4150
km/h	WNW	WSW	WSW	W	WSW	SW	WSW	SW	SSW	SW	ESE	SSW	SSW	SW	WSW	SSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.1	0.4	—	—	—	—	—	—	—	—	0.1	—	0.1	1.6	—	—	—
max °C	15	12	14	15	13	15	16	14	16	18	16	15	15	11	11	13	11
min °C	14	11	12	15	12	13	16	13	14	18	15	15	14	8	9	13	11
chill °C	14	9	10	14	10	12	16	12	13	18	15	14	12	4	6	12	9

Freezing level m	4350	4400	4450	4550	4700	4550	4700	4700	4650	4800	4800	4600	4400	4250	4100	4400	4550

	—	—	6:13	—	—	6:13	—	—	6:16	—	—	6:16	—	—	6:18	—	—
	—	8:07	—	—	8:07	—	—	8:05	—	—	8:04	—	—	8:01	—	—	8:00

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 16°C on Wed afternoon, min 11°C on Mon night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

Some drizzle, heaviest during Fri night. Very mild (max 18°C on Thu afternoon, min 8°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the SSW by Fri afternoon).

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 (3 kph at 293).
Bend 34 km E 1147m alt. 59 minutes ago	27° C	Dry	Light winds from the NE (6 kph at 43).
Bend 34 km E 1164.6m alt. 2 hours ago	31° C	Dry	Light winds from the NNE (6 kph at 24).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago		Haze -.	Moderate winds from the NNE (20 kph at 20).	10 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	20° C	Dry	Calm (5 kph at 14).
Bend 37 km SSE 1297m alt. 39 minutes ago	25° C	Dry	Wind obs. (8 kph from 360 degs) was rejected.
Bend 37 km ESE 1158m alt. 1 hour ago	28° C	Dry	Calm (5 kph at 316).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	28° C	Dry	Calm (3 kph at 344).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	20° C	Dry	Wind obs. (16 kph from 211 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 1 hour ago	31° C	Dry	Calm (2 kph at 108).

* 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.