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

Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Hazardous Weather Conditions

Current conditions at

SISTERS (K6K5)

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

NA

43°F

6°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Last update 30 Mar 02:55 PM PDT
Extended Forecast for

7 Miles NNW Camp Sherman OR

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

  • This Afternoon

    This Afternoon: A 30 percent chance of snow. Mostly cloudy, with a high near 43. East wind around 5 mph.

    High: 43 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly after 5am. Mostly cloudy, with a low around 29. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow likely before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am. Snow level rising to 5000 feet in the afternoon. Mostly cloudy, with a high near 45. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely before 11pm, then rain, possibly mixed with snow. Snow level 4600 feet. Low around 34. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 11am. Snow level 4700 feet. High near 43. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 8pm. Low around 28. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow before 5pm, then snow, possibly mixed with rain. High near 39. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Snow then
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm. Partly cloudy, with a low around 24. Chance of precipitation is 50%.

    Low: 24 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow. Mostly cloudy, with a high near 43. East wind around 5 mph.
Tonight
Snow likely, mainly after 5am. Mostly cloudy, with a low around 29. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am. Snow level rising to 5000 feet in the afternoon. Mostly cloudy, with a high near 45. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain likely before 11pm, then rain, possibly mixed with snow. Snow level 4600 feet. Low around 34. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 11am. Snow level 4700 feet. High near 43. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow, becoming all snow after 8pm. Low around 28. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow before 5pm, then snow, possibly mixed with rain. High near 39. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm. Partly cloudy, with a low around 24. Chance of precipitation is 50%.
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 34.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 36.
Monday
A chance of rain. Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Camp Sherman OR
 44.55°N 121.71°W (Elev. 3930 ft)
Last Update:
1:46 pm PDT Mar 30, 2026
Forecast Valid:
3pm PDT Mar 30, 2026-6pm PDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation