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

Blizzard Conditions Are Forecast Across Parts of the Northern Plains and Upper Great Lakes

In the north-central U.S., a strong storm will continue to bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest tonight before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

39°F

4°C

Humidity 69%
Wind Speed S 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 25 Nov 05:55 PM PST
Extended Forecast for

5 Miles ESE Mt Jefferson OR

  • Tonight

    Tonight: Snow likely before 7pm, then rain, possibly mixed with snow between 7pm and 1am, then rain after 1am. Snow level rising to 8400 feet after midnight. Temperature rising to around 37 by 5am. Southwest wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F⇑

    Rain/Snow

  • Wednesday

    Wednesday: Rain. High near 40. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am, then a chance of rain and snow. Snow level 7200 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 35. Southwest wind 3 to 5 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thanksgiving Day

    Thanksgiving Day: Rain and snow before 10am, then rain between 10am and 1pm, then rain, possibly mixed with snow after 1pm. Snow level 5900 feet rising to 6900 feet. High near 37. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 10pm. Low around 33. West wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow likely, mainly before 10am. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow. Partly sunny, with a high near 33.

    High: 33 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
Snow likely before 7pm, then rain, possibly mixed with snow between 7pm and 1am, then rain after 1am. Snow level rising to 8400 feet after midnight. Temperature rising to around 37 by 5am. Southwest wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Rain. High near 40. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain before 1am, then a chance of rain and snow. Snow level 7200 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 35. Southwest wind 3 to 5 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thanksgiving Day
Rain and snow before 10am, then rain between 10am and 1pm, then rain, possibly mixed with snow after 1pm. Snow level 5900 feet rising to 6900 feet. High near 37. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain and snow, becoming all snow after 10pm. Low around 33. West wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 29.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 33.
Saturday Night
A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 30.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 41.
Monday Night
A chance of rain and snow. Snow level 6100 feet. Partly cloudy, with a low around 34.
Tuesday
A chance of snow. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mt Jefferson OR
 44.67°N 121.68°W (Elev. 5771 ft)
Last Update:
3:20 pm PST Nov 25, 2025
Forecast Valid:
6pm PST Nov 25, 2025-6pm PST Dec 2, 2025
 
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Additional Resources

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Chance of Precipitation