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

8 Miles SW Sisters 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: Snow likely, mainly after 5pm. Mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely

  • Tonight

    Tonight: Snow likely. Mostly cloudy, with a low around 29. Calm wind. 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 rain and snow likely between 8am and 2pm, then rain likely after 2pm. Snow level rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely before 8pm, then rain and snow likely between 8pm and 11pm, then snow likely after 11pm. Snow level 5400 feet lowering to 4800 feet. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Wednesday

    Wednesday: Snow before 8am, then rain, possibly mixed with snow. Snow level 5100 feet. High near 43. Light southwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 25. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 25 °F

    Snow

  • Thursday

    Thursday: Snow. High near 37. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely before 8am, then rain and snow likely between 8am and 2pm, then rain likely after 2pm. Snow level rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain likely before 8pm, then rain and snow likely between 8pm and 11pm, then snow likely after 11pm. Snow level 5400 feet lowering to 4800 feet. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Snow before 8am, then rain, possibly mixed with snow. Snow level 5100 feet. High near 43. Light southwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 25. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 37. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 21.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 36.
Monday
A slight chance of rain. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Sisters OR
 44.19°N 121.64°W (Elev. 4800 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation