Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

34°F

1°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 32°F (0°C)
Visibility NA
Last update 31 Mar 03:55 AM PDT
Extended Forecast for

8 Miles SSW Sisters OR

Winter Storm Watch April 1, 05:00am until April 2, 05:00pm
Click here for hazard details and duration
Winter Storm Watch
  • Overnight

    Overnight: Rain likely, possibly mixed with snow.  Snow level 4900 feet. Mostly cloudy, with a low around 30. Calm wind.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow, becoming all rain after 11am.  Snow level 5200 feet rising to 5800 feet in the afternoon. Mostly cloudy, with a high near 48. Calm wind.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely before 11pm, then snow, possibly mixed with rain.  Snow level 5700 feet lowering to 4800 feet after midnight . Low around 33. Calm wind.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow.  Snow level 4800 feet rising to 5400 feet. High near 44. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 26. Southwest wind 6 to 9 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Snow

  • Thursday

    Thursday: Snow.  High near 39. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm.  Partly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain likely, possibly mixed with snow. Snow level 4900 feet. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Rain likely, possibly mixed with snow, becoming all rain after 11am. Snow level 5200 feet rising to 5800 feet in the afternoon. Mostly cloudy, with a high near 48. Calm wind. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
Rain likely before 11pm, then snow, possibly mixed with rain. Snow level 5700 feet lowering to 4800 feet after midnight . Low around 33. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Rain, possibly mixed with snow. Snow level 4800 feet rising to 5400 feet. High near 44. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 26. Southwest wind 6 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow. High near 39. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Sisters OR
 44.17°N 121.61°W (Elev. 4600 ft)
4:20 am PDT Mar 31, 2026
4am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database