– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Sat 18 Jul Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sat 18 Jul Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 11°C on Sat afternoon, min 8°C on Sat morning). Winds decreasing (strong winds from the SW on Sat morning, calm by Mon night).									Days 4–6 Weather Summary Moderate rain (total 10mm), heaviest on Wed afternoon. Very mild (max 12°C on Tue afternoon, min 7°C on Thu afternoon). Winds increasing (calm on Tue night, gales from the SW by Thu night).
	Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23
	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	cloudy	light rain	some clouds	some clouds	rain shwrs	rain shwrs	rain shwrs	risk tstorm	risk tstorm	risk tstorm	risk tstorm	clear
Cloud base (m)					9150	6850	3400	3050	5100	5350		4250	4650	2950
km/h	SW	SW	WSW	SW	SSE	SSW	W	NNE	SSW	SSW	WNW	ESE	WSW	W	S	SSW	SW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	0.1	—	—	0.1	1.9	0.8	4	2	0.6	0.5	—
max °C	9	11	11	10	11	11	9	8	10	10	12	11	10	10	9	9	8	9
min °C	8	9	10	9	10	11	9	8	8	10	11	9	9	8	9	8	7	7
chill °C	3	5	6	6	8	9	7	8	5	8	10	9	7	4	6	5	3	1

Freezing level m	4350	4550	4650	4500	4750	4850	4700	4600	4800	4800	5000	4800	4600	4500	4650	4400	4350	4300

	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 11°C on Sat afternoon, min 8°C on Sat morning). Winds decreasing (strong winds from the SW on Sat morning, calm by Mon night).

South Sister Volcano Weather (Days 3-6):

Moderate rain (total 10mm), heaviest on Wed afternoon. Very mild (max 12°C on Tue afternoon, min 7°C on Thu afternoon). Winds increasing (calm on Tue night, gales from the SW by Thu night).

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
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	27° C	Clear	Light winds from the SW.(Wind varies from 150 to 240 degs) (17 kph at 220).	14 km
Bend 37 km SSE 1297m alt. 57 minutes ago	29° C	Dry	Wind obs. (6 kph from 360 degs) was rejected.
Bend Airport 46 km E 1055m alt. 1 hour ago	28° C	Clear	Light winds from the N (15 kph at 10).	16 km
Alfalfa wx 49 km E 1026m alt. 55 minutes ago	27° C	Dry	Light winds from the N (8 kph at 352).
Redmond Airport 52 km ENE 714m alt. 2 hours ago	26° C	-	Light winds from the NNW (13 kph at 330).	16 km
Prineville Airport (Oregon) 72 km ENE 991m alt. 1 hour ago	28° C	Clear	Light winds from the NW (17 kph at 310).	16 km
Prineville 76 km E 1105m alt. 46 minutes ago	27° C	Dry	Light winds from the WNW (13 kph at 291).
Madras Municipal Airport (Oregon) 80 km NE 743m alt. 1 hour ago	27° C	Clear	Light winds from the NNE (11 kph at 20).	16 km
Prineville 80 km ENE 888m alt. 54 minutes ago	28° C	Dry	Wind obs. (8 kph from 346 degs) was rejected.
Mill City 92 km WNW 307m alt. 48 minutes ago	27° C	Dry	Wind obs. (8 kph from 252 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.