National Weather Service

News Headlines

New Version of Climate Plots Arrives May 1, 2026: Early Access Now Available Under "Climate Graphs and Charts"
SCN26-34: Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices: Effective May 6, 2026

Current conditions at

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

57°F

14°C

Humidity	47%
Wind Speed	N 0 MPH
Barometer	29.85 in (1010.84 mb)
Dewpoint	37°F (3°C)
Visibility	NA
Last update	19 Apr 08:55 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

8 Miles SW Sisters OR

Tonight
Low: 41 °F
Mostly Cloudy
Monday
High: 64 °F
Mostly Cloudy
then Chance
Rain
Monday Night
Low: 39 °F
Rain Likely
Tuesday
High: 51 °F
Rain
Tuesday Night
Low: 33 °F
Rain then
Rain/Snow
Likely
Wednesday
High: 42 °F
Snow then
Rain/Snow
Wednesday Night
Low: 29 °F
Chance
Rain/Snow
then Slight
Chance Snow
Thursday
High: 52 °F
Chance
Rain/Snow
Thursday Night
Low: 31 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly cloudy, with a low around 41. Calm wind.

Monday

A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 64. Calm wind becoming south around 6 mph in the afternoon.

Monday Night

Rain likely, mainly after 2am. Mostly cloudy, with a low around 39. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Rain. High near 51. Light southwest wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

Rain before 2am, then rain likely, possibly mixed with snow. Snow level 6200 feet lowering to 5100 feet after midnight . Low around 33. West wind 3 to 6 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Wednesday

Snow before 2pm, then rain, possibly mixed with snow. High near 42. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Wednesday Night

A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Thursday

A chance of snow before 11am, then a slight chance of rain and snow. Snow level rising to 5700 feet in the afternoon. Mostly sunny, with a high near 52. Chance of precipitation is 30%.

Thursday Night

Mostly clear, with a low around 31.

Friday

Sunny, with a high near 56.

Friday Night

Mostly clear, with a low around 33.

Saturday

Sunny, with a high near 57.

Saturday Night

A slight chance of rain and snow. Snow level 6300 feet lowering to 5400 feet after midnight . Partly cloudy, with a low around 33.

Sunday

A slight chance of rain and snow. Snow level 5100 feet rising to 6200 feet in the afternoon. Mostly sunny, with a high near 55.