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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Alturas (KAAT)

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

Clear

87°F

31°C

Humidity 11%
Wind Speed W 14 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 22 Aug 03:55 PM PDT
Extended Forecast for

11 Miles NW Canby CA

Red Flag Warning August 22, 04:05pm until August 22, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning August 22, 04:05pm until August 22, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 85. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 85 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. West southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 22 mph.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. West southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 49. West southwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 28 mph.
Sunday
Increasing clouds, with a high near 85. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 53. West southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 53. West southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Canby CA
 41.54°N 121.02°W (Elev. 4882 ft)
Last Update:
11:26 am PDT Aug 22, 2026
Forecast Valid:
4pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation