– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Fri 17 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 17 Jul 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 17°C on Sun afternoon, min 11°C on Fri night). Winds decreasing (fresh winds from the SW on Fri night, calm by Mon morning).										Days 5–7 Weather Summary Heavy rain (total 27mm), heaviest during Wed afternoon. Very mild (max 17°C on Tue afternoon, min 12°C on Wed night). Winds decreasing (fresh winds from the SSW on Mon night, calm by Wed afternoon).
		Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	some clouds	some clouds	light rain	cloudy	rain shwrs	rain shwrs	rain shwrs	rain shwrs	risk tstorm	risk tstorm	rain shwrs	clear	rain shwrs	risk tstorm
Cloud base (m)							6800	3500	3200	3300	4250	2950	5250	5300	2700			3650
km/h	SW	SW	SW	WSW	WSW	S	S	SSW	SSW	SSW	SSW	SW	SSW	SSW	SSW	S	SSW	WSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	0.3	—	0.4	0.1	3	5	0.8	16	1.5	—	0.1	0.2
max °C	12	14	16	14	15	17	15	14	14	14	16	17	14	16	17	13	14	16	15
min °C	11	12	15	12	13	17	15	14	14	14	15	13	13	14	14	12	13	15	10
chill °C	8	9	14	9	11	17	15	14	12	12	14	13	12	13	13	10	12	15	7

Freezing level m	4400	4350	4550	4650	4500	4750	4900	4750	4850	4950	4900	4850	4950	4750	4850	4750	4500	4650	4550

	—	5:39	—	—	5:41	—	—	5:41	—	—	5:43	—	—	5:43	—	—	5:45	—	—
	—	—	—	8:45	—	—	8:45	—	—	8:44	—	—	8:43	—	—	8:42	—	—	8:40

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Very mild (max 17°C on Sun afternoon, min 11°C on Fri night). Winds decreasing (fresh winds from the SW on Fri night, calm by Mon morning).

South Sister Volcano Weather (Days 3-6):

Heavy rain (total 27mm), heaviest during Wed afternoon. Very mild (max 17°C on Tue afternoon, min 12°C on Wed night). Winds decreasing (fresh winds from the SSW on Mon night, calm by Wed 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	9° C	Dry	Calm (0 kph at 254).
Bend 34 km E 1147m alt. 47 minutes ago	11° C	Dry	Calm (2 kph at 1).
Bend 34 km E 1164.6m alt. 2 hours ago	17° C	Dry	Calm (0 kph at 98).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	15° C	Dry and cloudy.	Light winds from the S (13 kph at 180).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 248).
Bend 37 km SSE 1297m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 111).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 168).
Deschutes River Woods wx 40 km ESE 1185m alt. 49 minutes ago	11° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	14° C	Dry	Calm (3 kph at 244).

* 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.