– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Sat 04 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sat 04 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 3mm) on Sat morning. Becoming colder with heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 3°C on Sat morning, min -3°C on Sat night). Wind will be generally light.									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 7°C on Thu afternoon, min -5°C on Tue night). Wind will be generally light.
	Saturday 4			Sunday 5			Monday 6			Tuesday 7			Wednesday 8			Thursday 9
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	mod. snow	light snow	light snow	light snow	light snow	light snow	mod. snow	snow shwrs	some clouds	some clouds	some clouds	cloudy	clear	some clouds	rain shwrs	clear
km/h	W	WNW	W	WNW	W	W	WSW	W	W	W	W	WNW	WNW	WNW	ENE	ENE	ENE	E
Wave Height Map See all maps
cm	3	2.0	10	4	2.0	4	2.0	4	8	1.0	—	—	—	—	—	—	—	—
mm	3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.2	—
max°C	3	0	-2	-1	0	0	1	0	-2	-1	0	-1	2	2	1	5	7	6
min°C	0	-1	-3	-2	0	-1	0	-1	-3	-3	0	-5	-2	2	-1	4	6	5
chill°C	-2	-5	-8	-8	-5	-7	-5	-7	-8	-9	-5	-9	-4	0	-1	2	3	3

Freezing level (m)	1500	1400	1100	1400	1450	1250	1650	1350	1050	1250	1550	800	2200	2350	1700	2500	2600	2900
Cloud base (m)	1800	1800	1800	1850	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	1900

	5:52	—	—	5:52	—	—	5:50	—	—	5:48	—	—	5:48	—	—	5:46	—	—
	—	—	8:14	—	—	8:15	—	—	8:16	—	—	8:17	—	—	8:19	—	—	8:20

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Light rain (total 3mm) on Sat morning. Becoming colder with heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 3°C on Sat morning, min -3°C on Sat night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 7°C on Thu afternoon, min -5°C on Tue night). Wind will be generally light.

This table gives the weather forecast for South Sister Volcano at the specific elevation of 1500 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind
Sunriver wx 23 km SE 1684m alt. 2 hours ago	2° C	-	Calm (0 kph at 152).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	8° C	Dry	Light winds from the W (6 kph at 268).
Sisters wx 25 km NNE 969m alt. 1 hour ago	8° C	Dry	Light winds from the WNW (6 kph at 295).
Sisters 32 km NE 964m alt. 2 hours ago	7° C	Dry	Wind obs. (6 kph from 263 degs) was rejected.
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry

* 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.