– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Thu 12 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Thu 12 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Thu afternoon, min -8°C on Sat afternoon). Winds decreasing (extremely windy from the W on Thu afternoon, near gales from the NNW by Sat night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Mon night, min -4°C on Sun morning). Winds increasing (gales from the NW on Sun morning, extremely windy from the WNW by Sun night).
	Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	clear	clear	clear	clear	heavy snow	snow shwrs	clear	some clouds	some clouds	cloudy	some clouds	some clouds	clear	clear	clear	clear	clear
km/h	W	W	W	W	W	W	WNW	NW	NNW	NW	WNW	WNW	WNW	WNW	WNW	W	W	W
See all weather maps
cm	2	—	—	—	—	21	4	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-2	-2	-3	-2	-3	-6	-7	-5	-2	-1	0	1	2	5	3	4	3
min °C	-5	-2	-2	-3	-3	-7	-7	-8	-7	-4	-2	-2	1	2	4	3	3	3
chill °C	-18	-14	-14	-15	-15	-20	-20	-22	-19	-15	-13	-12	-9	-7	-5	-6	-6	-6

Freezing level m	2150	2550	2550	2350	2500	2250	1050	1100	900	2700	2450	2700	3350	3500	3950	3750	3800	3700
Cloud base (m)	1800	1800	1800	1800	1800	1800	1850	1850	5950	3000	2350	3300	3900	9100		9350

	7:24	—	—	7:22	—	—	7:20	—	—	7:18	—	—	7:18	—	—	7:16	—	—
	—	7:08	—	—	7:09	—	—	7:10	—	—	7:12	—	—	7:14	—	—	7:15	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Thu afternoon, min -8°C on Sat afternoon). Winds decreasing (extremely windy from the W on Thu afternoon, near gales from the NNW by Sat night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Mon night, min -4°C on Sun morning). Winds increasing (gales from the NW on Sun morning, extremely windy from the WNW by Sun 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. 48 minutes ago	11° C	Dry	Calm (5 kph at 24).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 56 minutes ago	12° C	Dry	Light winds from the SW (11 kph at 228).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	8° C	Dry and cloudy.	Fresh winds from the WSW (30 kph at 240).	14 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 52 minutes ago	6° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	9° C	Dry	Calm (3 kph at 224).
Bend 37 km ESE 1158m alt. 47 minutes ago	13° C	Dry	Calm (2 kph at 217).
Bend wx 39 km E 1118m alt. 2 hours ago	12° C	Dry	Moderate winds from the SW (23 kph at 230).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 217).
Deschutes River Woods wx 40 km ESE 1185m alt. 35 minutes ago	10° C	Dry	Calm (5 kph at 239).

* 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.