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.

Mostly Cloudy

54°F

12°C

Humidity 66%
Wind Speed SSE 4 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 10 Apr 10:15 AM PDT
Extended Forecast for

11 Miles ENE Bieber CA

  • Today

    Today: Rain and possibly a thunderstorm before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then rain likely and possibly a thunderstorm after 5pm.  High near 58. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers

  • Tonight

    Tonight: A chance of rain before midnight, then a chance of rain after 1am.  Snow level 7200 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 38. West southwest wind 5 to 8 mph becoming calm.  Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  Snow level 5900 feet rising to 6500 feet in the afternoon. High near 52. South wind 5 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Saturday Night

    Saturday Night: Rain.  Snow level 6400 feet lowering to 5600 feet after midnight . Low around 34. Southwest wind 5 to 10 mph becoming light and variable  in the evening.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain likely, possibly mixed with snow before 11am, then rain.  Snow level 5100 feet. High near 45. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm.  Snow level 5400 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: Rain likely.  Snow level 4800 feet rising to 5600 feet in the afternoon. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Today
Rain and possibly a thunderstorm before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. High near 58. South southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain before midnight, then a chance of rain after 1am. Snow level 7200 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 38. West southwest wind 5 to 8 mph becoming calm. Chance of precipitation is 30%.
Saturday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Snow level 5900 feet rising to 6500 feet in the afternoon. High near 52. South wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Rain. Snow level 6400 feet lowering to 5600 feet after midnight . Low around 34. Southwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely, possibly mixed with snow before 11am, then rain. Snow level 5100 feet. High near 45. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain likely, mainly before 11pm. Snow level 5400 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely. Snow level 4800 feet rising to 5600 feet in the afternoon. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 58.
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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 10, 2026
10am PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
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