Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

Alturas (KAAT)

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

Clear

91°F

33°C

Humidity 9%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 04 Aug 01:35 PM PDT
Extended Forecast for

11 Miles ENE Bieber CA

Heat Advisory August 5, 11:00am until August 6, 11:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 94. West wind 7 to 10 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. West southwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Light and variable wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55. West wind 10 to 15 mph becoming light and variable  in the evening. Winds could gust as high as 23 mph.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 94. West wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 56. West southwest wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 93. Light and variable wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Clear, with a low around 55. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 23 mph.
Thursday
Sunny, with a high near 93. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Clear, with a low around 55.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 56.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 54.
Monday
Sunny, with a high near 90.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Bieber CA
 41.19°N 120.96°W (Elev. 4199 ft)
1:01 pm PDT Aug 4, 2026
1pm PDT Aug 4, 2026-6pm PDT Aug 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database