– Lat/Long: 44.10° N 121.77° W

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

Issued: 10 pm Thu 12 Mar 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 Fri night. Temperatures will be below freezing (max -1°C on Fri morning, min -8°C on Sat morning). Winds decreasing (extremely windy from the W on Fri night, strong winds from the WNW by Sun afternoon).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Mon night, min -1°C on Sun night). Winds increasing (near gales from the WNW on Sun night, severe gales from the W by Mon night).
		Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17			Wednesday 18
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	snow shwrs	snow shwrs	clear	some clouds	cloudy	cloudy	some clouds	cloudy	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds
km/h	W	W	W	W	WNW	NW	NW	NW	WNW	WNW	WNW	W	W	W	W	W	WSW	W	WSW
See all weather maps
cm	—	—	—	19	3	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-2	-1	-1	-3	-7	-7	-5	-2	-1	0	1	2	4	3	2	3	3	3	4
min °C	-2	-2	-2	-7	-8	-8	-7	-4	-2	-1	0	2	3	2	2	2	3	3	3
chill °C	-14	-14	-14	-20	-22	-22	-21	-15	-11	-10	-10	-6	-5	-7	-7	-7	-5	-5	-5

Freezing level m	2650	2600	2800	2400	1150	1100	900	2650	2800	3200	3200	3550	3800	3700	3500	3750	3800	3650	3850
Cloud base (m)	1800	1800	1800	1800	1850	1850		3050	2350	3650	2600	8650						7300

	—	7:22	—	—	7:20	—	—	7:18	—	—	7:18	—	—	7:16	—	—	7:13	—	—
	—	—	7:09	—	—	7:10	—	—	7:12	—	—	7:14	—	—	7:15	—	—	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 -1°C on Fri morning, min -8°C on Sat morning). Winds decreasing (extremely windy from the W on Fri night, strong winds from the WNW by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 4°C on Mon night, min -1°C on Sun night). Winds increasing (near gales from the WNW on Sun night, severe gales from the W by Mon 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	8° C	Dry	Calm (3 kph at 53).
Sunriver 34 km SE 1242m alt. 41 minutes ago		Dry
Bend 34 km E 1164.6m alt. 58 minutes ago	9° C	Dry	Light winds from the SSW (19 kph at 205).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7° C	Dry and cloudy.	Fresh winds from the S (33 kph at 180).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 36 minutes ago	5° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 35 minutes ago	7° C	Dry	Calm (3 kph at 169).
Bend 37 km ESE 1158m alt. 1 hour ago	8° C	Dry	Calm (0 kph at 187).
Bend wx 39 km E 1118m alt. 1 hour ago	8° C	Dry	Light winds from the SSW (16 kph at 205).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	8° C	Dry	Calm (0 kph at 179).
Deschutes River Woods wx 40 km ESE 1185m alt. 54 minutes ago	8° C	Dry	Calm (2 kph at 152).

* 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.