– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Thu 05 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 05 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Sat morning, min -11°C on Thu morning). Winds decreasing (severe gales from the NW on Thu morning, strong winds from the N by Fri afternoon).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max -1°C on Sun morning, min -16°C on Mon night). Winds increasing (gales from the W on Tue morning, extremely windy from the WSW by Tue night).
	Thursday 5			Friday 6			Saturday 7			Sunday 8			Monday 9			Tuesday 10
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	clear	some clouds	cloudy	clear	some clouds	clear	clear	clear	clear	some clouds	light snow	snow shwrs	clear	snow shwrs	snow shwrs	snow shwrs	snow shwrs
km/h	NW	NNW	NNW	NNW	N	N	NNW	NNW	WNW	WNW	WNW	W	W	W	W	W	W	WSW
See all weather maps
cm	2	—	—	—	—	—	—	—	—	—	—	4	1	—	4	1	1	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-5	-5	-3	-2	2	4	4	3	-1	-3	-5	-5	-6	-10	-15	-13	-11
min °C	-11	-7	-7	-5	-3	-2	3	4	0	-2	-4	-5	-6	-7	-16	-15	-13	-13
chill °C	-25	-20	-19	-16	-11	-11	-5	-4	-10	-12	-15	-17	-19	-21	-32	-30	-28	-28

Freezing level m	1250	1300	1050	1550	2100	2650	3650	3700	3550	2900	2500	2300	1850	1450	800	900	1050	500
Cloud base (m)	1800	1800	1800	1850	1800	1800	1800	1800	1750	1800	1900	1800	1800	1800	1800	1800	1800	1800

	6:35	—	—	6:35	—	—	6:33	—	—	7:31	—	—	6:28	—	—	6:28	—	—
	—	6:00	—	—	6:01	—	—	6:02	—	—	7:04	—	—	6:05	—	—	6:07	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Sat morning, min -11°C on Thu morning). Winds decreasing (severe gales from the NW on Thu morning, strong winds from the N by Fri afternoon).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max -1°C on Sun morning, min -16°C on Mon night). Winds increasing (gales from the W on Tue morning, extremely windy from the WSW by Tue 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
Sisters wx 25 km NNE 1022m alt. 1 hour ago	2° C	-	Calm (2 kph at 57).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	2° C	-	Calm (5 kph at 121).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	0° C	Dry and cloudy.	Light winds from the SW (13 kph at 220).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 37 minutes ago	2° C	-	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 56 minutes ago	1° C	-	Calm (0 kph at 272).
Bend 37 km ESE 1158m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 229).
Camp Sherman 39 km NNE 920.5m alt. 3 hours ago	2° C	-	Calm (0 kph at 176).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	2° C	-	Calm (5 kph at 231).
Rainbow wx 41 km WSW 410m alt. 54 minutes ago	-1° C	-	Wind obs. (13 kph from 171 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.