– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Mon 20 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 20 Jul Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 9mm), mostly falling on Wed afternoon. Very mild (max 18°C on Tue afternoon, min 12°C on Mon night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Very mild (max 16°C on Thu afternoon, min 9°C on Fri night). Winds increasing (light winds from the SSW on Thu afternoon, strong winds from the SSW by Fri night).
	Mon 20		Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	some clouds	clear	rain shwrs	some clouds	some clouds	mod. rain	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	3250	5400	5050	3100	6300	5000	2400
km/h	W	SW	S	WNW	WSW	SSE	ESE	S	SSW	SSW	SSW	SW	SSW	SSW	SW	WSW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.2	—	—	0.5	—	—	5	3	—	—	—	—	—	—	—	—	—
max °C	13	13	16	18	16	18	18	15	14	16	14	13	15	15	10	12	11
min °C	13	12	14	15	15	16	15	13	14	15	11	12	15	9	9	11	9
chill °C	11	12	14	15	15	16	14	12	12	14	8	9	14	5	5	8	5

Freezing level m	4550	4800	4800	4850	4800	4800	4850	4850	4450	4650	4600	4400	4650	4550	4150	4400	4450

	—	—	5:43	—	—	5:43	—	—	5:45	—	—	5:46	—	—	5:47	—	—
	—	8:44	—	—	8:43	—	—	8:42	—	—	8:40	—	—	8:39	—	—	8:38

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Light rain (total 9mm), mostly falling on Wed afternoon. Very mild (max 18°C on Tue afternoon, min 12°C on Mon night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

Mostly dry. Very mild (max 16°C on Thu afternoon, min 9°C on Fri night). Winds increasing (light winds from the SSW on Thu afternoon, strong winds from the SSW 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	23° C	Dry	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	23° C	Dry	Calm (0 kph at 64).
Bend 34 km E 1164.6m alt. 46 minutes ago	23° C	Dry	Calm (2 kph at 5).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago		Haze -.	Light winds from the NNE (15 kph at 20).	8 km
Black Butte Ranch wx 36 km NW 1429m alt. 57 minutes ago	17° C	Dry	Calm (0 kph at 197).
Bend 37 km SSE 1297m alt. 2 hours ago	22° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	23° C	Dry	Calm (0 kph at 318).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	22° C	Dry	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	23° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	23° C	Dry	Wind obs. (14 kph from 253 degs) was rejected.

* 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.