– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Mon 04 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Mon 04 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max 0°C on Mon afternoon, min -14°C on Wed night). Winds increasing (fresh winds from the WSW on Wed afternoon, stormy winds from the WSW by Thu morning).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -2°C on Sat morning, min -15°C on Thu afternoon). Winds increasing (moderate winds from the NW on Fri morning, stormy winds from the W by Sat morning).
	Mon 4		Tuesday 5			Wednesday 6			Thursday 7			Friday 8			Saturday 9
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	some clouds	some clouds	cloudy	light snow	mod. snow	light snow	heavy snow	mod. snow	heavy snow	snow shwrs	cloudy	some clouds	mod. snow	heavy snow	mod. snow	some clouds
km/h	WSW	WSW	SW	SW	SW	SW	WNW	WSW	WSW	WSW	WNW	NW	WNW	WSW	W	W	WNW
Wave Height Map See all maps
cm	1.0	—	—	—	4	8	2.0	13	10	11	15	—	—	8	17	8	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	0	0	-1	-2	-3	-6	-9	-10	-12	-14	-14	-11	-8	-5	-2	-4	-3
min°C	0	0	-1	-3	-5	-9	-10	-14	-14	-15	-15	-13	-9	-10	-3	-4	-3
chill°C	-9	-9	-11	-14	-17	-20	-21	-29	-30	-32	-30	-25	-17	-20	-15	-16	-14

Freezing level (m)	3150	3100	3050	2850	2450	2150	1500	1400	1250	950	950	1000	1100	1100	1800	2350	2250
Cloud base (m)	1800	1850	2200	2800	3200	1800	1800	1800	1800	1800	1800	1800	1800	2800	1800	1800	1800

	—	—	7:26	—	—	7:26	—	—	7:28	—	—	7:28	—	—	7:30	—	—
	4:29	—	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—	—	4:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max 0\°C on Mon afternoon, min -14\°C on Wed night). Winds increasing (fresh winds from the WSW on Wed afternoon, stormy winds from the WSW by Thu morning).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -2\°C on Sat morning, min -15\°C on Thu afternoon). Winds increasing (moderate winds from the NW on Fri morning, stormy winds from the W by Sat morning).

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind
Sunriver wx 23 km SE 1684m alt. 1 hour ago	6° C	-	Calm (0 kph at 152).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	12° C	Dry	Calm (2 kph at 130).
Sisters 32 km NE 964m alt. 45 minutes ago	11° C	Dry	Calm (0 kph at 266).
Bend 34 km E 1147m alt. 1 hour ago	10° C	Dry	Calm (5 kph at 249).
Sunriver 34 km SE 1242m alt. 55 minutes 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.