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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Alturas (KAAT)

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

Clear

79°F

26°C

Humidity 13%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Sep 04:00 PM PDT
Extended Forecast for

Alturas CA

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. North wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Light and variable wind.
Sunday
Mostly sunny, with a high near 82. Calm wind.
Sunday Night
Mostly cloudy, with a low around 44. Calm wind.
Monday
Mostly sunny, with a high near 84. Calm wind.
Monday Night
Partly cloudy, with a low around 44. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alturas CA
 41.47°N 120.56°W (Elev. 4357 ft)
Last Update:
11:26 am PDT Sep 19, 2026
Forecast Valid:
4pm PDT Sep 19, 2026-6pm PDT Sep 26, 2026
 
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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