– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Fri 20 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Fri 20 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 1°C on Fri night, min -6°C on Sat afternoon). Winds decreasing (stormy winds from the WSW on Fri night, light winds from the W by Sun afternoon).										Days 5–7 Weather Summary A light covering of new snow mostly falling on Tue afternoon. Temperatures will be below freezing (max -1°C on Mon night, min -10°C on Wed night). Winds decreasing (extremely windy from the WSW on Tue afternoon, light winds from the WSW by Thu afternoon).
		Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	snow shwrs	clear	some clouds	some clouds	some clouds	cloudy	some clouds	cloudy	some clouds	cloudy	light snow	snow shwrs	clear	some clouds	clear	clear	clear	clear
km/h	WSW	WSW	W	W	NW	SW	WSW	WSW	SW	WSW	WSW	WSW	WSW	WSW	SW	W	WNW	WSW	WSW
See all weather maps
cm	2	1	—	—	—	—	—	—	—	—	—	2	3	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	-5	-5	-2	-2	-2	-1	-1	-1	-1	-2	-2	-5	-8	-8	-8	-8	-7	-3
min °C	-3	-5	-6	-4	-2	-2	-1	-2	-2	-3	-2	-3	-8	-8	-9	-10	-8	-8	-6
chill °C	-14	-16	-15	-14	-9	-5	-6	-8	-9	-13	-12	-16	-21	-21	-22	-24	-18	-14	-14

Freezing level m	2900	2300	2350	1500	2850	2900	3000	2950	2950	2750	2650	2600	1300	2100	2050	1000	1850	2300	1850
Cloud base (m)	1800	1800	8400	8600	6800	6850	5250	4950	5600	2850	1900	1950	1800	7150	3000	1800			9150

	—	7:09	—	—	7:07	—	—	7:05	—	—	7:03	—	—	7:01	—	—	6:58	—	—
	—	—	7:20	—	—	7:21	—	—	7:22	—	—	7:22	—	—	7:24	—	—	7:25	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 1°C on Fri night, min -6°C on Sat afternoon). Winds decreasing (stormy winds from the WSW on Fri night, light winds from the W by Sun afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Tue afternoon. Temperatures will be below freezing (max -1°C on Mon night, min -10°C on Wed night). Winds decreasing (extremely windy from the WSW on Tue afternoon, light winds from the WSW by Thu afternoon).

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	7° C	Dry	Calm (0 kph at 210).
Bend 34 km E 1164.6m alt. 36 minutes ago	13° C	Dry	Calm (3 kph at 119).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	10° C	Clear	Light winds from the SW (11 kph at 220).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	8° C	Dry	Light winds from the WNW (8 kph at 283).
Bend 37 km SSE 1297m alt. 38 minutes ago	6° C	Dry	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	13° C	Dry	Calm (0 kph at 144).
Deschutes River Woods wx 40 km ESE 1185m alt. 51 minutes ago	13° C	Dry	Calm (3 kph at 264).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8° C	Dry	Wind obs. (14 kph from 181 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 288).
La Pine 43 km SSE 1298m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 279).

* 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.