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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for portions of the central and southern High Plains. Read More >

Current conditions at

Alturas (KAAT)

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

Overcast

48°F

9°C

Humidity 58%
Wind Speed SSW 8 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Apr 02:55 PM PDT
Extended Forecast for

6 Miles SSE Canby CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm, mainly before 5pm, then rain likely and possibly a thunderstorm after 5pm. Snow level 6600 feet. High near 46. West southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 46 °F

    Showers

  • Tonight

    Tonight: A chance of rain and snow before 10pm, then snow. Low around 32. West southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 32 °F

    Rain/Snow
    Likely then
    Snow

  • Wednesday

    Wednesday: Snow likely before noon, then a slight chance of rain after 5pm. Partly sunny, with a high near 42. West southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Likely
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 30. West wind 6 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 31.

    Low: 31 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

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

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 11am. Snow level 6600 feet rising to 7700 feet in the afternoon. Mostly sunny, with a high near 56.

    High: 56 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm, mainly before 5pm, then rain likely and possibly a thunderstorm after 5pm. Snow level 6600 feet. High near 46. West southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Tonight
A chance of rain and snow before 10pm, then snow. Low around 32. West southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday
Snow likely before noon, then a slight chance of rain after 5pm. Partly sunny, with a high near 42. West southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 30. West wind 6 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 54. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 31.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 36.
Saturday
A chance of showers and thunderstorms after 11am. Snow level 6600 feet rising to 7700 feet in the afternoon. Mostly sunny, with a high near 56.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Snow level 7400 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 37.
Sunday
A chance of rain and snow. Snow level 6200 feet. Partly sunny, with a high near 48.
Sunday Night
A chance of rain. Snow level 6700 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 36.
Monday
A chance of rain and snow. Snow level 5900 feet rising to 6500 feet in the afternoon. Partly sunny, with a high near 51.
Monday Night
A slight chance of rain. Snow level 6600 feet. Partly cloudy, with a low around 34.
Tuesday
A chance of rain. Snow level 6100 feet rising to 7000 feet in the afternoon. Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Canby CA
 41.37°N 120.83°W (Elev. 5515 ft)
Last Update:
2:21 pm PDT Apr 21, 2026
Forecast Valid:
3pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation