– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Thu 09 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Thu 09 Apr Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Drizzle, on Thu afternoon followed by colder weather and a moderate fall of snow, heaviest on Fri night.. Freeze-thaw conditions (max 4°C on Thu afternoon, min -3°C on Sat morning). Wind will be generally light.									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Sun morning. Temperatures will be below freezing (max -3°C on Sun night, min -5°C on Mon night). Winds increasing (light winds from the WNW on Sun morning, severe gales from the W by Tue night).
	Thursday 9			Friday 10			Saturday 11			Sunday 12			Monday 13			Tuesday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	light rain	light snow	cloudy	light snow	mod. snow	cloudy	light snow	light snow	light snow	light snow	light snow	some clouds	some clouds	some clouds	cloudy	cloudy	mod. snow
km/h	SSE	E	SSE	S	SSW	SSW	S	SSW	SE	NW	NNW	NNW	WNW	WNW	WNW	W	W	W
See all weather maps
cm	—	—	2	—	2	6	—	1	1	3	4	2	—	—	—	—	—	6
mm	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	4	2	2	1	0	-2	0	-2	-4	-4	-3	-3	-4	-4	-5	-4	-4
min °C	1	3	1	1	1	-2	-3	-1	-3	-4	-4	-4	-3	-4	-5	-5	-4	-5
chill °C	-4	-1	-4	-4	-1	-8	-9	-6	-3	-10	-12	-12	-11	-12	-14	-14	-13	-16

Freezing level m	2750	2900	2900	2700	2650	2300	2250	2500	2100	1900	1750	1500	1400	1450	1050	1500	1800	1250
Cloud base (m)	2750	2900	3850	2200	2200	1850	1900	2300	1850	1800	1800	1800	1800	1800	1800	1850	1800	1800

	6:33	—	—	6:31	—	—	6:31	—	—	6:28	—	—	6:26	—	—	6:24	—	—
	—	7:43	—	—	7:44	—	—	7:45	—	—	7:46	—	—	7:47	—	—	7:49	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Drizzle, on Thu afternoon followed by colder weather and a moderate fall of snow, heaviest on Fri night.. Freeze-thaw conditions (max 4°C on Thu afternoon, min -3°C on Sat morning). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun morning. Temperatures will be below freezing (max -3°C on Sun night, min -5°C on Mon night). Winds increasing (light winds from the WNW on Sun morning, severe gales from the W by Tue 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. 54 minutes ago	1° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 53 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 147).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-1° C	Dry and cloudy.	Calm (0 kph at 0).	14 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	1° C	-	Calm (0 kph at 66).
Bend 37 km SSE 1297m alt. 1 hour ago	-1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 53 minutes ago	6° C	Dry	Calm (0 kph at 235).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	8° C	Dry	Light winds from the E (13 kph at 93).
Cloverdale wx 42 km NE 947m alt. 1 hour ago	-1° C	-	Calm (0 kph at 244).
La Pine 43 km SSE 1298m alt. 2 hours ago	-1° C	-	Calm (0 kph at 319).

* 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.