Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

7-Day Forecast 45.56°N 118.01°W (Text-Only)
NWS Forecast for: 4 Miles N Summerville OR
Issued by: National Weather Service Pendleton, OR
Last Update: 3:47 am PDT Mar 31, 2026
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  • Overnight

    Overnight: A 20 percent chance of snow.  Mostly cloudy, with a steady temperature around 30. Light northeast wind.

    Low: 30 °F

    Slight Chance
    Snow


  • Tuesday

    Tuesday: Snow likely before 8am, then rain and snow likely between 8am and 11am, then rain likely after 11am.  Snow level rising to 5700 feet in the afternoon. Mostly cloudy, with a high near 49. Light and variable wind.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Tuesday
    Night

    Tuesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 36. Light and variable wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely



  • Wednesday

    Wednesday: Rain, mainly before 2pm, then showers and possibly a thunderstorm after 2pm.  High near 48. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Showers



  • Wednesday
    Night

    Wednesday Night: Rain before 11pm, then rain and snow likely between 11pm and 2am, then snow likely after 2am. Some thunder is also possible.  Snow level 6100 feet lowering to 3500 feet after midnight . Low around 33. South wind 7 to 9 mph becoming west in the evening.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow.  High near 41. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow



  • Thursday
    Night

    Thursday Night: A 50 percent chance of snow, mainly before 11pm.  Partly cloudy, with a low around 29. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny



  • Friday
    Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear



  • Overnight: A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 30. Light northeast wind.

    Tuesday: Snow likely before 8am, then rain and snow likely between 8am and 11am, then rain likely after 11am. Snow level rising to 5700 feet in the afternoon. Mostly cloudy, with a high near 49. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 36. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Wednesday: Rain, mainly before 2pm, then showers and possibly a thunderstorm after 2pm. High near 48. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Wednesday Night: Rain before 11pm, then rain and snow likely between 11pm and 2am, then snow likely after 2am. Some thunder is also possible. Snow level 6100 feet lowering to 3500 feet after midnight . Low around 33. South wind 7 to 9 mph becoming west in the evening. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Thursday: Snow. High near 41. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Thursday Night: A 50 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 29. Little or no snow accumulation expected.

    Friday: Sunny, with a high near 52.

    Friday Night: Mostly clear, with a low around 31.

    Saturday: Sunny, with a high near 59.

    Saturday Night: Mostly clear, with a low around 36.

    Sunday: Mostly sunny, with a high near 64.

    Sunday Night: Partly cloudy, with a low around 39.

    Monday: Mostly sunny, with a high near 67.



    4 Miles N Summerville OR
     45.56°N 118.01°W (Elev. 3520 ft)

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