Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Alturas (KAAT)

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

Overcast

44°F

7°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 15 Apr 01:55 AM PDT
Extended Forecast for

11 Miles ENE Bieber CA

Wind Advisory April 15, 11:00am until April 15, 08:00pm
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: A 10 percent chance of rain after 5am.  Snow level 6800 feet. Mostly cloudy, with a low around 38. South southwest wind around 6 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 5pm.  Snow level 6600 feet. Mostly cloudy, with a high near 52. Breezy, with a west southwest wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 60%.

    High: 52 °F

    Chance Rain
    then Rain
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain before 10pm, then a chance of snow between 10pm and 2am.  Low around 25. Breezy, with a west southwest wind 19 to 24 mph becoming north 7 to 12 mph in the evening. Winds could gust as high as 37 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 25 °F

    Rain/Snow and
    Breezy then
    Slight Chance
    Snow

  • Thursday

    Thursday: Sunny, with a high near 47. Light north wind increasing to 6 to 11 mph in the afternoon.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. North wind 6 to 11 mph becoming light east northeast  in the evening.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 11pm.  Snow level 7800 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
A 10 percent chance of rain after 5am. Snow level 6800 feet. Mostly cloudy, with a low around 38. South southwest wind around 6 mph.
Wednesday
Rain likely, mainly after 5pm. Snow level 6600 feet. Mostly cloudy, with a high near 52. Breezy, with a west southwest wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 60%.
Wednesday Night
Rain before 10pm, then a chance of snow between 10pm and 2am. Low around 25. Breezy, with a west southwest wind 19 to 24 mph becoming north 7 to 12 mph in the evening. Winds could gust as high as 37 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 47. Light north wind increasing to 6 to 11 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 25. North wind 6 to 11 mph becoming light east northeast in the evening.
Friday
Sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A slight chance of rain after 11pm. Snow level 7800 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 38.
Sunday
A chance of rain. Snow level 6300 feet rising to 6900 feet in the afternoon. Mostly cloudy, with a high near 63.
Sunday Night
A chance of rain. Snow level 6900 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 38.
Monday
A chance of rain. Snow level 5500 feet rising to 6200 feet in the afternoon. Partly sunny, with a high near 62.
Monday Night
A chance of rain. Snow level 6500 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Snow level 5500 feet rising to 6600 feet in the afternoon. Partly 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)
11:26 pm PDT Apr 14, 2026
2am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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