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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Alturas (KAAT)

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

Partly Cloudy

73°F

23°C

Humidity 49%
Wind Speed NNE 5 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Aug 12:20 PM PDT
Extended Forecast for

Likely CA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 81. Southwest wind around 5 mph.

    High: 81 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind 5 to 8 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Light south southeast wind becoming south 6 to 11 mph in the morning.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. West southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 81. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 48. West wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Light south southeast wind becoming south 6 to 11 mph in the morning.
Monday Night
Clear, with a low around 48. West southwest wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Likely CA
 41.22°N 120.49°W (Elev. 4590 ft)
Last Update:
10:40 am PDT Aug 17, 2025
Forecast Valid:
12pm PDT Aug 17, 2025-6pm PDT Aug 23, 2025
 
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