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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Hazardous Weather Conditions

Current conditions at

Alturas (KAAT)

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

Clear

81°F

27°C

Humidity 15%
Wind Speed W 8 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Sep 03:35 PM PDT
Extended Forecast for

Alturas CA

Red Flag Warning September 24, 02:00pm until September 24, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Mostly clear, with a low around 45. West wind 5 to 7 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 83. Light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 28 mph.

    High: 83 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. South southwest wind 8 to 18 mph, with gusts as high as 30 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 69. South wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. West northwest wind 7 to 14 mph becoming northeast after midnight. Winds could gust as high as 21 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. West wind 5 to 7 mph becoming calm in the evening.
Thursday
Increasing clouds, with a high near 83. Light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 28 mph.
Thursday Night
Mostly cloudy, with a low around 48. South southwest wind 8 to 18 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 69. South wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Mostly clear, with a low around 36. West northwest wind 7 to 14 mph becoming northeast after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alturas CA
 41.52°N 120.54°W (Elev. 4738 ft)
Last Update:
1:11 pm PDT Sep 23, 2026
Forecast Valid:
3pm PDT Sep 23, 2026-6pm PDT Sep 30, 2026
 
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