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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Alturas (KAAT)

Lat: 41.48362°NLon: 120.5615°WElev: 4383.0ft.

Partly Cloudy

34°F

1°C

Humidity 86%
Wind Speed W 4 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 12 Apr 09:20 PM PDT
Extended Forecast for

10 Miles WNW Canby CA

  • Tonight

    Tonight: A slight chance of snow before 11pm, then a chance of snow after 1am. Mostly cloudy, with a low around 29. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Monday

    Monday: A slight chance of snow before 1pm, then a slight chance of rain and snow between 1pm and 2pm, then a slight chance of rain after 2pm. Snow level rising to 6100 feet in the afternoon. Partly sunny, with a high near 49. West southwest wind around 7 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. West wind 5 to 7 mph becoming calm after midnight.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain between 11pm and 5am, then snow likely, possibly mixed with rain. Snow level 6800 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 36. Southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow before 11am, then rain. Snow level 5700 feet rising to 6400 feet in the afternoon. High near 45. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain before 8pm, then rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Low around 19. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: A slight chance of snow. Mostly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of snow before 11pm, then a chance of snow after 1am. Mostly cloudy, with a low around 29. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Monday
A slight chance of snow before 1pm, then a slight chance of rain and snow between 1pm and 2pm, then a slight chance of rain after 2pm. Snow level rising to 6100 feet in the afternoon. Partly sunny, with a high near 49. West southwest wind around 7 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 30. West wind 5 to 7 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 54. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
A chance of rain between 11pm and 5am, then snow likely, possibly mixed with rain. Snow level 6800 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 36. Southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Rain likely, possibly mixed with snow before 11am, then rain. Snow level 5700 feet rising to 6400 feet in the afternoon. High near 45. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain before 8pm, then rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Low around 19. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow. Mostly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 21.
Friday
Sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
A chance of rain. Snow level 6100 feet rising to 6900 feet in the afternoon. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WNW Canby CA
 41.51°N 121.04°W (Elev. 4898 ft)
Last Update:
4:56 pm PDT Apr 12, 2026
Forecast Valid:
9pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation