– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Fri 03 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 03 May 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 5mm) on Fri night. Becoming colder with heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 5°C on Fri night, min -3°C on Sat night). Wind will be generally light.										Days 5–7 Weather Summary A moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 9°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
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

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

Freezing level (m)	2300	1450	1300	1100	1350	1350	1300	1600	1350	1050	1300	1500	900	2550	2650	2950	3000	2950	3150
Cloud base (m)	1850	1800	1800	1800	1850	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800		1800	1850

	—	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 5mm) on Fri night. Becoming colder with heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 5°C on Fri night, min -3°C on Sat night). Wind will be generally light.

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 9°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	4° C	-	Calm (0 kph at 152).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	8° C	Dry	Calm (2 kph at 275).
Sisters wx 25 km NNE 969m alt. 4 hours ago	9° C	Dry	Calm (0 kph at 0).
Sisters 32 km NE 964m alt. 2 hours ago	8° C	Dry	Calm (0 kph at 264).
Bend 34 km E 1147m alt. 3 hours ago	8° C	Dry	Calm (2 kph at 339).

* 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.