Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Alturas (KAAT)

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

Clear

34°F

1°C

Humidity 74%
Wind Speed S 8 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 12 Apr 06:00 AM PDT
Extended Forecast for

11 Miles ENE Bieber CA

  • Today

    Today: Rain showers and snow, mainly before 5pm. Some thunder is also possible.  Snow level rising to 5100 feet in the afternoon. High near 48. South southeast wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow, mainly after 4am.  Snow level 4600 feet. Mostly cloudy, with a low around 31. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before 11am, then a chance of rain.  Snow level 4500 feet rising to 5700 feet in the afternoon. Mostly cloudy, with a high near 51. Southwest wind around 6 mph becoming calm.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. West southwest wind 6 to 11 mph becoming light south southwest  in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 11am.  Snow level 6500 feet. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.

    High: 51 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am.  Snow level 6600 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 25.

    Low: 25 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A slight chance of snow before 11am.  Mostly sunny, with a high near 50.

    High: 50 °F

    Slight Chance
    Snow then
    Sunny

Detailed Forecast

Today
Rain showers and snow, mainly before 5pm. Some thunder is also possible. Snow level rising to 5100 feet in the afternoon. High near 48. South southeast wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow, mainly after 4am. Snow level 4600 feet. Mostly cloudy, with a low around 31. Southwest wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
A chance of rain and snow before 11am, then a chance of rain. Snow level 4500 feet rising to 5700 feet in the afternoon. Mostly cloudy, with a high near 51. Southwest wind around 6 mph becoming calm. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 33. West southwest wind 6 to 11 mph becoming light south southwest in the evening.
Tuesday
Mostly sunny, with a high near 57. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Rain likely, mainly after 11am. Snow level 6500 feet. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Wednesday Night
Rain likely before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Snow level 6600 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 25.
Thursday
A slight chance of snow before 11am. Mostly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 31.
Saturday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Bieber CA
 41.19°N 120.96°W (Elev. 4199 ft)
4:41 am PDT Apr 12, 2026
6am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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