National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

SISTERS (K6K5)

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

NA

30°F

-1°C

Humidity 86%
Wind Speed WSW 8 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 10 Mar 10:55 AM PDT
Extended Forecast for

4 Miles NE Sisters OR

Winter Weather Advisory until March 11, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until March 11, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Today

    High: 40 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 50 percent chance of snow. Mostly cloudy, with a low around 27. West wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am. Snow level rising to 5300 feet in the afternoon. Partly sunny, with a high near 49. Southwest wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 39. Southwest wind around 18 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 51. West wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain before 5am, then rain, possibly mixed with snow. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain then
    Rain/Snow

Detailed Forecast

Today
A 50 percent chance of snow showers, mainly after 2pm. Partly sunny, with a high near 40. West wind around 11 mph, with gusts as high as 22 mph. Little or no snow accumulation expected.
Tonight
A 50 percent chance of snow. Mostly cloudy, with a low around 27. West wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am. Snow level rising to 5300 feet in the afternoon. Partly sunny, with a high near 49. Southwest wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 39. Southwest wind around 18 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain likely. Mostly cloudy, with a high near 51. West wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Friday
A 50 percent chance of rain. Partly sunny, with a high near 53.
Friday Night
Rain before 5am, then rain, possibly mixed with snow. Low around 35. Chance of precipitation is 80%.
Saturday
A chance of rain and snow before 11am. Snow level 5100 feet lowering to 3600 feet. Partly sunny, with a high near 50. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Sisters OR
 44.34°N 121.5°W (Elev. 3199 ft)
Last Update:
10:15 am PDT Mar 10, 2026
Forecast Valid:
11am PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation