Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Alturas (KAAT)

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

Clear

43°F

6°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 27 Aug 04:20 AM PDT
Extended Forecast for

11 Miles ENE Bieber CA

Red Flag Warning August 27, 02:00pm until August 27, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 85. Light and variable wind becoming west southwest 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 85 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West southwest wind 5 to 11 mph becoming east after midnight.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Increasing clouds, with a high near 82. Southeast wind 5 to 10 mph becoming west southwest 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 82 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Cloudy during the early evening, then gradual clearing, with a low around 46. West southwest wind 16 to 21 mph becoming east southeast 5 to 10 mph in the evening. Winds could gust as high as 31 mph.

    Low: 46 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 85. Light and variable wind becoming west southwest 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Tonight
Partly cloudy, with a low around 54. West southwest wind 5 to 11 mph becoming east after midnight.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 82. Southeast wind 5 to 10 mph becoming west southwest 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 46. West southwest wind 16 to 21 mph becoming east southeast 5 to 10 mph in the evening. Winds could gust as high as 31 mph.
Saturday
Sunny, with a high near 78. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 79.
Sunday Night
Clear, with a low around 43.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Bieber CA
 41.19°N 120.96°W (Elev. 4199 ft)
3:06 am PDT Aug 27, 2026
4am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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