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

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Alturas (KAAT)

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

Overcast

30°F

-1°C

Humidity 68%
Wind Speed SSE 4 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 16 Apr 10:15 AM PDT
Extended Forecast for

11 Miles NNE Bieber CA

  • Today

    Today: Sunny, with a high near 37. North northwest wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. North wind 8 to 14 mph becoming east after midnight. Winds could gust as high as 21 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. East southeast wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. North northeast wind 8 to 11 mph becoming southeast after midnight.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 57. Southeast wind 11 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Snow level 6500 feet rising to 7500 feet in the afternoon. Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain. Snow level 7400 feet lowering to 6600 feet. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 37. North northwest wind 15 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 26. North wind 8 to 14 mph becoming east after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 51. East southeast wind 9 to 13 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 34. North northeast wind 8 to 11 mph becoming southeast after midnight.
Saturday
Sunny, with a high near 57. Southeast wind 11 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
A 20 percent chance of rain after 11am. Snow level 6500 feet rising to 7500 feet in the afternoon. Partly sunny, with a high near 57.
Sunday Night
A chance of rain. Snow level 7400 feet lowering to 6600 feet. Mostly cloudy, with a low around 43.
Monday
Rain likely. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 37.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 44.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Bieber CA
 41.27°N 121.04°W (Elev. 6135 ft)
Last Update:
9:02 am PDT Apr 16, 2026
Forecast Valid:
10am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation